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Archive for the ‘Longevity Genetics’ Category

Aging Is A Mixed Picture; Let’s Choose To Live Long – Vermillion Plain Talk

Friday, April 10th, 2020

During my lifelong practice of geriatrics, I observed many people reaching the end of their lives. Truth is, what Ive seen is a mixed picture. The two patient stories I describe here are really a blend of hundreds of experiences.

Ms. A is in her late 80s, walks two miles every day, mostly outside but inside a wellness center when sidewalks are icy. She eats a balanced light diet and is connected to many friends. Ms. A is spiritually connected, and life has been and continues to be meaningful to her.

Ms. B is also in her late 80s, has never been much for exercise and now is unable to walk without the help of her walker. She lives in an assisted living center and has made some friends there but remains rather critical of them. Whenever her kids visit, she asks them to take her home. Ms. B had some tough times and some happy times during her life, but now, she remains rather bitter.

At age 82, comedian Rodney Dangerfield, who had studied the relationship between sexuality and longevity said, Im at the age where food has taken the place of sex in my life. In fact, Ive just had a mirror put over my kitchen table. Reading that made me laugh out loud, but I see Dangerfields comment as both funny and sad. Indeed, this thing called growing old is a mixed picture. Should we celebrate it or fear it? Does it give wisdom and meaning or just aches and pains?

I suggest we embrace both sides of the picture. Lets choose to live as long and as well as our luck and genetics allows. We would all do better with regular exercise, eating less, connecting with both the earthly and the spiritual. Lets also choose to kindly accept the fact that someday we will reach the end of our lives. We can take healthy steps by creating an advanced directive, by understanding the kinds and causes of dementia and facing the inevitable death of the ones we love. Embracing this mixed picture helps us in accepting aging processes we cannot change, avoiding suffering and savoring things that matter.

Bottom line lessons from Ms. A and B: Like any piece of art, we can choose how we view the picture of our own aging. Those who live with misery, anger and vengefulness will likely die that way. Those who glean meaning and joy from observation, giving to others and opening their hearts to the spiritual will find aging a grand masterpiece.

Richard P. Holm, MD passed away in March 2020 after a battle with pancreatic cancer. He was founder of The Prairie Doc and author of Lifes Final Season, A Guide for Aging and Dying with Grace available on Amazon. Dr. Holms legacy lives on through his Prairie Doc organization. For free and easy access to the entire Prairie Doc library, visit http://www.prairiedoc.org and follow Prairie Doc on Facebook, featuring On Call with the Prairie Doc a medical Q&A show streaming on Facebook and broadcast on SDPB most Thursdays at 7 p.m. central.

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The Better Half by Sharon Moalem review on the genetic superiority of women – The Guardian

Friday, April 10th, 2020

Lets hear it for the female of the species and (more guardedly) for her second X-chromosome! Female superiority in colour vision, immune response, longevity, even basic survival from birth to death are illustrated in Sharon Moalems The Better Half. After decades, if not centuries, of bad press for women and their vulnerable biology, this book argues that in fact almost everything that is biologically difficult to do in life is done better by females.

Moalem, a Canadian-born physician, is a research geneticist who has identified two new rare genetic conditions. He has worked across the world in paediatric medicine, including clinics for HIV-infected infants and is also a biotechnology entrepreneur and bestselling author. The Better Half is his latest foray into the field of popular science, and presents a general argument for the superiority of womens biology to mens.

In most circumstances, a human female has two X-chromosomes, one from her father and one from her mother; a male has just one, inherited from his mother, which is paired with a Y-chromosome, inherited from his father. Moalem believes that the X-chromosome has always received a poor press, and that it is time this negative view is counteracted. He draws on swathes of medical and historical data to show that, in many instances, the superiority of womens biology is explicitly linked to their possession of the second X-chromosome. The greater complexity of womens biology, he claims, is the secret of their success it is more difficult to make a female but, once made, she trumps the male in her lifelong survival skills, for instance in her hyperefficient immune system shrugging off infection and maximising the benefits of vaccination which means that females can avoid the consequences of a wide range of life threatening events ranging from starvation and cancer to, Moalem has cautiously concluded, Covid-19.

In mainstream genetics it was long held that, despite having two X-chromosomes, female cells only made use of one: the second randomly switched off or deactivated early on in embryonic development, a process rather summarily described as an instance of genetic redundancy. There was some evidence that the deactivation reduced female chances of succumbing to X-linked problems, due to the availability of an undamaged back-up. It was acknowledged, for example (though rather grudgingly), that women generally escaped being colour blind. Moalem notes that when he was studying genetics there was much emphasis on the tiny Y-chromosome as what makes a man. He observes wryly that maybe this positivity was related to the fact that most of the people who were speaking breathlessly about the Y had one as well.

Now a new spin on the X-inactivation story is emerging in genetics. Via a process called escape from X-inactivation, it turns out that the silenced X-chromosome is not so silent after all there are escapees which may continue to offer back-up services, for instance providing extra cellular recovery options in the face of traumatic injury. It is to the benefits offered by this flexible availability within different cells that Moalem attributes the secrets of womens biological superiority.

Statistics going back as far as 1662 show women living longer than men, and todays figures show that 95% of people who have reached the age of 110 and over are female. In sport, womens success in races such as ultra-marathons offer a different perspective on what it means to be physically superior. In the spirit of Angela Sainis book Inferior, Moalem notes that this superiority has largely been ignored by medical science. And he discusses the medical trial data whose absence is observed by Caroline Criado-Perez in Invisible Women, her exploration of how the world is designed for men. Medicine needs to stop ignoring the secrets of womens biological successes, Moalem argues, and find ways of harnessing them to improve the survival chances of the whole of the human race.

Imagine you live in a world where most individuals can see 1m colours. But in one group of these people (lets call them males), about 8% cannot tell the difference between colours such as red and green, and a smaller number are totally colour blind. In a second group in this population (lets call them females), almost all can see the standard 1m colours, but some (perhaps as many as 15%) can see 100m colours. Would you excitedly rave about the amazing talent of this latter group? Or would you just describe them as not usually colour blind? This same group has an immune system that has a profound talent to fight off many forms of infection and reap major benefits from vaccinations with the down side that sometimes such hyperefficiency can lead to autoimmune disorders such as multiple sclerosis. Would you celebrate the former or emphasise the latter? For years, it is the drawbacks that have been underlined.

Research geneticists rarely get out in the field to notice the much greater survival rates of girls in paediatric ICUs

The Better Half is an eye-opening book. In explaining why the advantages that accompany females greater genetic options have to date been largely ignored, Moalem points to paradigm blindness, and to the fact that research geneticists rarely get out in the field to notice, for example, the much greater survival rates of girls in paediatric ICUs (rates which, he discovers, have been clearly obvious to the nurses doing the frontline caring).

I take issue with one part of his chapter on The Male Brain, for the moment setting aside the unproven assumption that the brains of men are different from the brains of women. Moalem chooses to consider autism, and it appears as a given in his book that autism is more common in boys than girls (itself an assumption that is increasingly being challenged). Yet at the more impaired end of the autism spectrum, it is possible that there are as many girls as boys, and his suggestion that females have a different kind of autism doesnt quite prove his wider argument. The X-linked disorders such as fragile-X or Rett syndrome receive only a passing mention not surprisingly perhaps as they run counter to his argument about the superiority of the X-chromosome.

What about hormones? Moalem has perhaps missed a good opportunity to counter oestrogens frequently negative press, and to laud its potentially neuroprotective effects. The greater susceptibility of women to Alzheimers disease is put down by Moalem to a form of anti-inflammatory process linked to an overefficient immune system; their lesser susceptibility to Parkinsons disease (surely a possible inclusion in the list of female genetic successes) is unexplained.

One section of the book focuses on why womens health is not mens health, and considers the failures of drug companies to test their products on females as well as males. For sure this has had detrimental consequences on, for example, the accuracy of dosage rates. But in at least one of the examples he gives, that of Ambien, body mass and blood volume are key factors in calculating dosage rates: because people vary enormously in size and shape, simply dividing test participants into males and females still risks inaccuracy. He is talking about averages, its true, but even so Moalem seems firmly wedded to the notion that genetic females and genetic males can be neatly categorised into two distinct types, and that the understanding of genetic sex will provide all the answers we need.

The impression given in The Better Half is that there is a lifelongfree-ranging choice between X-chromosomes available to the female, her cells dancing back and forth between the best options that will help her to heal quicker after a car crash or to overcome the bacterial infection that might lead to an ulcer. There are brief and tantalising hints about the escapees from X-inactivation in several chapters of Moalems book, but it is a shame that we are never given a full, head-on account.

Yet this book is full of wonderful titbits of information from the existence of a female prostate gland to the number of honey bee flying miles it takes to make 1lb of honey. The celebration of the genetic diversity offered by the females second X-chromosome is wholehearted and the examples Moalem gives are highly effective. He has written a powerful antidote to the myth of the weaker sex.

The Better Half: On the Genetic Superiority of Women by Sharon Moalem is published by Allen Lane (RRP 20).

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Inherited Metabolic Disorders Market Trends, Type, Segmentation, Analysis, Assessment, Development, Application and Forecast 2025 – Science In Me

Friday, April 10th, 2020

Global Inherited Metabolic Disorders (IMD) Market: Snapshot

Inherited metabolic disorders (IMD), as the name suggests, are genetic conditions resulting in metabolism issues. The root cause behind maximum cases of inherited metabolic disorders (IMD) is a gene mutation that probably happened a lot many generations back. The mutation in the gene is carried through the generations.

Treatment of inherited metabolic disorders (IMD) consists of dietary supplementation, dietary restrictions, drugs that thwart or regulate metabolism, gene therapy, transplantation of the concerned organ, and dialysis in extreme cases. Currently, the dietary supplements account for a leading position in the global inherited metabolic disorders (IMD) treatment market. Drug manufacturers, however, are slated to come up with more condition-specific therapeutics in the near future.

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The specificity and high risk affinity of IMD differs from disorder to disorder. Some disorders such as familial cylomicronemia are generally associated closely with Caucasians, while others, namely porphyria is mostly recorded among African Americans. Most of such metabolic disorders are be brought under control with certain changes in the diet and lifestyle of the person. Some inherited metabolic disorders (IMDs) are, however, life threatening. Huntingtons or Zellweger syndrome is to name one such.

The inherited metabolic disorders market lies mostly with the Caucasian and African American populations of world, especially in North America, Europe, Australia, and Africa, followed by the minority populations from South Asia and East A.

At present, genetic screening using mass spectrometry and DNA testing among all newborns are carried out in almost all of the developed nations of the world and also in developing economies of India, Brazil, and China. This helps uncover inherited metabolic disorders (IMD) at an early stage.

GlobalInherited Metabolic Disorders Market: Overview

Globally, IMD affects nearly one in every 2,500 to 5,000 individuals with nearly 300 to 600 new cases found in the U.K., according to Public Health Genetics U.K. The specificity and high risk affinity of IMD varies from disorder to disorder, with some disorders like familial cylomicronemia being closely associated with Caucasians and others like porphyria being recoded largely among African Americans. These metabolic disorders are often controllable with certain lifestyle and diet changes, including Familial Cylomicronemia and Phenylketonuria. But some IMDs are highly dangerous and may affect the survivability of a person, such as Huntingtons or Zellweger syndrome.

A lot of IMDs arise when the mutated gene responsible is inherited by the natural selection process and a large number of these genes are recessive. This is probably why a large number of these metabolic disorders are rare occurrences, whereas certain other genes are dominant in nature; this makes it difficult for a willing parent to conceive a child as the risk for transferring a gene remains high (e.g. Huntingtons). Familial chylomicronemia occurs when an individual genetically inherits Lipoprotein lipase enzyme mutation. This is a very rare genetic disease at occurrence rate of 1 individual per million with chances of symptoms occurring only in homozygous individuals (receiving mutation genes from both parents) or in other words recessive gene transmission.

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GlobalInherited Metabolic Disorders Market: Current Market Trends

Nowadays, genetic screening via mass spectrometry and DNA testing of all newborn children are done in nearly all of the developed countries and also some developing countries of the world, including India, China, and Brazil, albeit across a small percentage of the national population. This prepares a parent and the child with the necessary precautions and treatment for increasing the longevity of the concerned newborn. The life expectancy of such a child with all the necessary care and precaution is at par with the average individual.

However among many adult populations and in some children, rare genetic metabolic disorders are abruptly presented and often not accurately diagnosed. In such individuals, abnormal metabolic changes are considered to be a type of genetic mutation in routine diagnosis. Symptoms such as growth failure, precocious puberty and development delay in children below 12, and anemia, neurological disorder, cancer, muscle weakness, rapid hormonal changes, and skin changes in adults, are regarded to probably have a genetic metabolic cause.

GlobalInherited Metabolic Disorders Market: Treatment Classifications

The treatment of IMDs is broadly classified into dietary restrictions, dietary supplementation, drugs that inhibit or regulate metabolism, transplantation of the concerned organ, gene therapy, and dialysis in severe cases. In the case of familial cylomicronemia, gene therapy includes Alipogene tiparvovec recombinant gene therapy drug, manufactured by UniQure Inc. This therapy utilizes viruses (adenovirus vector) designed in such a way that upon infection, the gene for producing the lipoprotein lipase is induced into the host cell, thereby producing the enzyme in-vivo. This therapy has shown positive results and is expected to be released into the market soon. For now, the global inherited metabolic disorders Market lies broadly in the dietary supplements market.

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GlobalInherited Metabolic Disorders Market: Regional Evaluation

The overall estimated global populations of IMD individuals lie in few millions. The niche category of this segment gives little market for specific condition-related products. However, the implications of therapy are huge as some treatments have the potential to completely eradicate these disorders. Several suitable models have been considered for the treatment of hypercholesterolemia and dyslipidemia, which can in turn alter the outcome of cardiovascular diseases to a bare minimum in the future. For now, the inherited metabolic disorders is open for limitless possibilities.

The inherited metabolic disorders lays primarily with the Caucasian and African American populations of world, especially in North America, Europe, Australia, and Africa, followed by the minority populations from South Asia and East Asia.

The study presents reliable qualitative and quantitative insights into:

The regional analysis covers:

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Inherited Metabolic Disorders Market Trends, Type, Segmentation, Analysis, Assessment, Development, Application and Forecast 2025 - Science In Me

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Everything You Need to Know About Coronavirus: Before, During, After and How to Build Immunity Against Future Viruses – India New England

Wednesday, April 1st, 2020

WALTHAM, MACoronavirus that causes COVID-19 disease is the worst pandemic the world has ever seen. If you are confused with the overwhelming information about the virus, you may want to watch this video interview with Dr. Sailaja Reddy, MD, IFMCP, ABoIM, ABOM, CCMS.

In an exclusive video interview with INDIA New England News, Dr. Reddy explains coronavirus, how it is different from other viruses, how we can prevent it from infection, how it infects and how to take care after recovery from COVID-19.

To watch the full interview, please click here or on the image below.

Dr. Reddy educates, supports, treats and transforms peoples lives by getting to the root cause of illness using the best of science and nature. Dr. Reddy is functional and integrative medicine specialist, amd is founder of RootHealthMD in Framingham, Mass, focusing on reversal of chronic diseases and supports the development of vibrant longevity.

Dr. Reddy did her residency at St. Elizabeths Hospital and received advanced training in obesity medicine, Integrative medicine and culinary medicine. She is a certified physician through Institute of Functional Medicine.

Immunity, says Dr. Reddy, is a defense system that has biological structure and process within humans that protects against diseases.

Our body builds immunity through healthy lifestyle. Diet, genetics and environment play a major role, says Dr. Reddy, adding that one should change lifestyle in order to build immunity.

A diet that is nutrient rich, with low sugar, good quality protein and less processed will strengthen your immune system, says Dr. Reddy. The latest science suggests that being fit boosts our immune systems, and that even a single workout can amplify and improve our ability to fight off germs.

PS: This information is for information purposes only. If you have any discomfort, please consult your physician immediately.

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Everything You Need to Know About Coronavirus: Before, During, After and How to Build Immunity Against Future Viruses - India New England

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How to live longer: Five habits to adopt into your life to increase life expectancy – Express

Saturday, March 21st, 2020

Life expectancy is defined as the number of years remaining for an individual or a group of people at a given age. Longevity refers to the characteristics of the relatively long-life span of some members of a population. A persons life span is thought be largely determined by the combined effects of genetics and environmental factors. No matter where you live in the world, adopting these five habits will ensure a long, healthy and disease-free life.

Eating healthily

Consuming a diet with a wide variety of plant foods, such as fruits, vegetables, nuts, seeds, whole grains and beans may increase a persons life longevity and reduce the risk of diseases.

Eating plenty of plant foods is likely to help a person live longer. In turn, reducing the amount of fat, refined carbohydrates, sugar and salt will also help to increase life.

The benefit of exercise is seen regardless of peoples weight, age, sex and health conditions such as heart disease and cancer.

Greater amounts of physical activity are associated with additional life expectancy gains.

Exercise helps a person breath better, reduces stress and gives people a more positive outlook to life, all of which increases life expectancy.

In fact, at the highest level of activity of 450 minutes of exercise per week equated to 4.5 extra years to ones life.

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Coronavirus: Immunity your best bet, build it up – The Tribune India

Saturday, March 21st, 2020

Dr Sachin Mittal

Your immunity will be your biggest ally in the fight against coronavirus pandemic. A detailed analysis of the infection shows that those with underlying illness or weakened immunity are more susceptible to a worst outcome.

Immunity or immune system is our bodys ability to protect us against any type of illness or disease.

The immune system is not a single entity, an organ or a type of cell but a complex system with many components that create it, strengthen it or weaken it. The idea of having a stronger immunity is very desirable, so many people are running a random Google search to find ways to strengthen it.

Heredity and genetics also determine our immune system and that is something beyond our control. One must keep in mind there are no easy quick fix solutions but we can always work gradually to strengthen our bodys defence mechanism against any form of illness.

Heres how you can boost up your immune system:

Sleep like a baby

Dalai Lama once said sleep is the best meditation. We cannot underestimate the importance of recharging our batteries with a regular seven to eight hour sleep.

Greg McKeown, the author of bestseller Essentialism, calls it an asset that we need to protect.

Sleep helps restore our immune, nervous, skeletal and muscular systems.

Research shows that regular sound sleep is associated with longevity and sleep difficulties are associated with problems like depression, alcoholism, bipolar disorder but also a weakened immune system.

Smoking and substance abuse

Apart from increasing the risk of many cancers and heart diseases, smoking weakens immune system. Research shows that smoking not only decreases our adaptive and innate immune responses but also increases abnormal disease-causing immune response. So, it acts like a double-edged sword and kills our soldiers in the last line of defense against infection and illness. Excessive alcohol consumption is also detrimental. Both smoking and excessive alcohol consumption can damage the lungs and impact the mucosal immune system negatively. Mucosal immune system facilitates the body to identify pathogens and fight the infection. Thats the reason why alcohol or tobacco addicts fall prey to common cold or any form of viruses easily.

Stress

Mahatma Gandhi said: There is nothing that wastes the body like worry. Stress is another big culprit that weakens our immunity. Chronic stress leads to high levels of cortisol the stress hormone which interferes with T-cells (a type of blood cells important for immune response) and decreases production of protective antibodies, thus decreasing the bodys immune response. So, our body would perform well and heal well when it is not under stress. Lets take out some time everyday for meditation and breathing exercises, which are beneficial in lowering down our stress levels.

Eat well; exercise often

Immunity comes with fitness and balanced diet. A nutritious diet is vital. We should not eat just to fill our tummy or satisfy our palate but to nourish our body. As per My Plate nutrition guide, we should have half our plate filled up with fruits and vegetables and the remaining half should be divided into grains and proteins. Avoid any kind of fad or extreme diets. Equally important is staying physically active because that increases blood flow and recharges the white blood cells, which have the responsibility of searching and destroying the infection in the body.

Low to moderate exercise naturally lowers levels of stress hormone Cortisol and helps our immunity. Consistency and regularity matters a physical activity of minimum 30 to 45 minutes a day is recommended for 5 days a week for a healthy lifestyle.

Supplements

While there is a lot of hype surrounding the so-called immune boosters, the evidence backing them is scanty. Yes, we need to ensure theres no deficiency of significant vitamin or micro nutrient like zinc, iron, selenium, etc. If we have any, then replenishing them will be helpful, though a balanced diet takes care of our nutrition needs. Vitamin D, which we get from the sunlight, plays an important role in bodys immunity. Research shows that Vitamin D deficiency is associated with increased autoimmune diseases and higher chances of infection. So, getting some sunshine has real health benefits. Take expert help in its treatment as overenthusiastic supplementation and excess of it can have serious health consequences. If consuming any special foods for building immunity, have it in moderation. The bottom line is, there is no magic wand to enhance our immunity overnight. Work on your health holistically, and gradually you will be able to build up good immunity.

The writer is a Chandigarh-based endocrinologist

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Coronavirus: Immunity your best bet, build it up - The Tribune India

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The Global Precision Medicine Software Market is expected to grow by USD 882.65 mn during 2020-2024, progressing at a CAGR of 11% during the forecast…

Monday, March 9th, 2020

New York, March 09, 2020 (GLOBE NEWSWIRE) -- Reportlinker.com announces the release of the report "Global Precision Medicine Software Market 2020-2024" - https://www.reportlinker.com/p05873485/?utm_source=GNW Our reports on global precision medicine software market provides a holistic analysis, market size and forecast, trends, growth drivers, and challenges, as well as vendor analysis covering around 25 vendors. The report offers an up-to-date analysis regarding the current global market scenario, latest trends and drivers, and the overall market environment. The market is driven by benefits of precision medicine.In addition, digitization of healthcare is anticipated to boost the growth of the global precision medicine software market as well.

Market Segmentation The global precision medicine software market is segmented as below: Delivery Mode: On-premise

Cloud-based

Geographic Segmentation: Asia

Europe

North America

ROW

Key Trends for global precision medicine software market growth This study identifies digitization of healthcare as the prime reasons driving the global precision medicine software market growth during the next few years.

Prominent vendors in global precision medicine software market We provide a detailed analysis of around 25 vendors operating in the global precision medicine software market , including some of the vendors such as F. Hoffmann-La Roche Ltd., Fabric Genomics Inc., Gene42 Inc., Human Longevity Inc., International Business Machines Corp., Koninklijke Philips NV, NantHealth Inc., Roper Technologies Inc., SOPHiA GENETICS SA and Syapse Inc. . The study was conducted using an objective combination of primary and secondary information including inputs from key participants in the industry. The report contains a comprehensive market and vendor landscape in addition to an analysis of the key vendors.Read the full report: https://www.reportlinker.com/p05873485/?utm_source=GNW

About ReportlinkerReportLinker is an award-winning market research solution. Reportlinker finds and organizes the latest industry data so you get all the market research you need - instantly, in one place.

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The Global Precision Medicine Software Market is expected to grow by USD 882.65 mn during 2020-2024, progressing at a CAGR of 11% during the forecast...

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Ancestry releases longevity study from partnership with …

Wednesday, March 4th, 2020

The road to achieving a long life is littered with hype. The usual life-extension suspects include pricey pills and supplements; the peculiar involve infusions of young blood and chambers pumped with sub-zero temperatures.

Then there's science. And one scientific factor that has long been presumed to dictate much of how long we live is our DNA. For decades, it was assumed that the genes we inherit from our parents explain anywhere from 15% to 30% of the variations in longevity that are observed between people.

But a new study that came from quiet collaboration between genetics company Ancestry and a Google life-extension spinoff called Calico suggests that our genes play less of a role in our lifespan than we thought.

Instead, traits and behaviors that include everything from diet and exercise to friendliness appears to play a strong role in longevity. Surprisingly, we still pass these traits on through generations mostly by picking partners who look and act like us, the researchers report.

In essence, the findings suggest that people effectively transfer longevity from one generation to the next much in the same way that wealth and socioeconomic status are passed from parents to children: by choosing partners with attitudes and attributes that mirror our own, regardless of how different their DNA may be.

seyfettin dincturk / Unsplash

For decades, researchers studying longevity and genetics had estimated that the genes we inherit from our parents play a significant role in determining how long we live. Previous studies suggested that genes account for as much as 30% of the total variability in lifespan between individuals.

But the new study from Ancestry and Calico indicates that our DNA may be much less important in determining longevity than traits and behaviors like diet, exercise, and personality. After looking at data from more than 54 million family trees and the birth and death information for over 400 million individuals, the researchers concluded that our DNA accounts for less than 10% of lifespan variability.

Instead, we pass on longevity through generations by choosing partners whose attitudes and attributes look much like our own. In research parlance, that's known as "assortative mating."

"The true heritability of human longevity or birth cohorts across the 1800s and early 1900s was well below 10%, and ... has been generally overestimated due to the effect of assortative mating," the scientists wrote.

Put another way, we tend to pick partners with attitudes and attributes from eating and exercising to friendliness that mirror our own. And as a result, we tend to live similar amounts of time, and have children who do as well.

Shutterstock

Previous studies shed light on how important lifestyle factors are when it comes to how long we live. In a recent study published in the journal Circulation, for example, scientists pinpointed five lifestyle factors that appear to be linked with a significantly longer lifespan, judging by the outcomes of two long-term studies that involved about 123,000 adults.

People in the study who lived long lives tended to:

As part of several other recent studies, scientists have uncovered a handful of personality traits that also appear to be strongly linked to longer-than-average lives. They include:

Taken together, the findings suggest that how long we live may be less a matter of what we're born with than the circumstances in which we live and the choices that we make. Those choices, as the Ancestry and Google researchers acknowledge in their new paper, tend to be based on everything from social status to wealth and then, just like genetics, passed on from one generation to the next.

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The Contextualized Genetics of Human Longevity – PDF Free …

Wednesday, March 4th, 2020

JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY

VOL. 75, NO. 8, 2020

2020 BY THE AMERICAN COLLEGE OF CARDIOLOGY FOUNDATION PUBLISHED BY ELSEVIER

The Contextualized Genetics of Human Longevity JACC Focus Seminar Claudio Franceschi, MD,a,b,* Paolo Garagnani, PHD,a,* Fabiola Olivieri, PHD,c,d Stefano Salvioli, PHD,a,y Cristina Giuliani, PHDe,y ABSTRACT The genetics of human longevity has long been studied, and in this regard, centenarians represent a very informative model. Centenarians are characterized by 2 main features: 1) the capability to avoid or postpone the major age-related diseases; and 2) a high level of heterogeneity of their phenotype. The rst suggests that longevity and resistance to diseases are mediated by shared mechanisms, the latter that many strategies can be used to become long lived, likely as a result of variable genome-environment interactions. The authors suggest that the complexity of genome-environment interactions must be considered within an evolutionary and ecological perspective and that the concept of risk allele is highly context dependent, changing with age, time, and geography. Genes involved in both longevity and cardiovascular diseases, taken as a paradigmatic example of age-related diseases, as well as other emerging topics in genetics of longevity, such as microribonucleic acid (miRNA) genetics, polygenic risk scores, environmental pollutants, and somatic mutations are discussed. (J Am Coll Cardiol 2020;75:96879) 2020 by the American College of Cardiology Foundation.

I

n recent decades the brand-new phenomenon

considered, compared with large genome-wide as-

of worldwide longevity is emerging, boosting

sociation studies (GWAS), and starting from 2 of

the

to

their peculiar features: 1) the heterogeneity of cen-

longevity. However, the results of this research

tenarians phenotype; and 2) the fact that they

have

avoid

study

been

of

the

sometimes

genetic extremely

contribution

heterogeneous

and often contradictory, possibly at least in part

or

postpone

major

age-related

diseases

(ARDs).

because of the denition of long-lived people that

Starting from this viewpoint, we will try to illus-

applies. In this regard, centenarians (age $100

trate some informative examples of genetic de-

years), semi-supercentenarians (age $105 years),

terminants of longevity, showing that: 1) genetics is

and supercentenarians (age $110 years) are people

context dependent; 2) the genetics environment

who are not only indisputably long lived but also

equation has multiple solutions, accounting for the

those

heterogeneity of the phenotype in centenarians;

who

better

exploited

the

potential

lifespan of Homo sapiens as a species. In fact, no

and

one has been reported so far to live more than

diseases such as cardiovascular ones are highly

about 120 years. We thus focus this review on the

interconnected, suggesting that they may be consid-

results

ered 2 sides of the same coin.

of

studies in

which

centenarians were

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genetic

determinants

of

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From the aDepartment of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy; bDepartment of Listen to this manuscripts

Applied Mathematics, Institute of Information Technology, Mathematics and Mechanics, Lobachevsky State University of Nizhny

audio summary by

NovgorodNational Research University, Nizhny Novgorod, Russia; cLaboratory of Experimental Pathology, Department of

Editor-in-Chief

Clinical and Molecular Sciences, Universit Politecnica delle Marche, Ancona, Italy; dCenter of Clinical Pathology and Regenerative

Dr. Valentin Fuster on

Therapy, IRCCS INRCA, Ancona, Italy; and the eLaboratory of Molecular Anthropology and Centre for Genome Biology, Depart-

JACC.org.

ment of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy. *Dr. Franceschi and Dr. Garagnani contributed equally to this work. yDr. Salvioli and Dr. Giuliani are co-senior authors. This study was supported by a grant from the Ministry of Education and Science of the Russian Federation Agreement (075-15-2019-871) and by ALMA IDEA-2017 project from the University of Bologna to Dr. Giuliani. The authors have reported that they have no relationships relevant to the contents of this paper to disclose. Manuscript received November 14, 2019; revised manuscript received December 13, 2019, accepted December 17, 2019.

ISSN 0735-1097/$36.00

https://doi.org/10.1016/j.jacc.2019.12.032

Franceschi et al.

JACC VOL. 75, NO. 8, 2020 MARCH 3, 2020:96879

However,

HIGHLIGHTS

The effect of nuclear DNA variants (single or combinations) on longevity is context dependent. The genetics of longevity is informative to identify GxE interactions that protect against ARDs.

have

mixed

extreme limits of human life thanks to their capability to successfully adapt to a variety of stressors and to remodel better and more harmoniously (1). The prevalence of centenarians in a population can be assumed as an ecological indicator of optimization of the anthropological environment (2). The peculiar characteristics of centenarians are reported in Table 1. As a whole, centenarians maximized the product of their personal gene environment (GxE) equation, which is dynamic and dependent on a variety of historical and ecological factors (such as individual and population genetics, demography, sex, family and and

geographic environment, cultural and anthropological environment, social networks, and socioeconomic status) that we term ecological space, according to the evolutionary and anthropological concept of niche construction (3). This concept may help in understanding why only a few longevity variants and genes shared among different populations have been identied in GWAS, as recently reviewed consequence

of

this

concept

is

that

longevity variants are strongly context dependent. The following evidence supports this idea. First, it is known that longevity runs within families, as demonstrated by many studies, including those conducted on Sardinian people (3). Assortative mating (based on behavioral and cultural traits), favoring an excess of homozygosity, may play a role in the genetics of longevity in some populations (6) but not in others (such as in Utah and among the Dutch), as suggested by spouse data (7,8). On the whole, these data support the importance of context.

example, the European project GEHA (Genetics of Healthy Ageing) considered 2,118 nonagenarian sibling pairs enrolled at 15

ABBREVIATIONS AND ACRONYMS ARD = age-related disease CVD = cardiovascular disease DNA = deoxyribonucleic acid GxE = gene 3 environment

centers from 11 European countries. The re-

GWAS = genome-wide

sults highlighted the importance of APOE and

association studies

TOMM40, as well as the possibility to identify

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Mystery of lifespan gap between sexes may be solved, say researchers – The Guardian

Wednesday, March 4th, 2020

From humans to black-tailed prairie dogs, female mammals often outlive males but for birds, the reverse is true.

Now researchers say they have cracked the mystery, revealing that having two copies of the same sex chromosome is associated with having a longer lifespan, suggesting the second copy offers a protective effect.

These findings are a crucial step in uncovering the underlying mechanisms affecting longevity, which could point to pathways for extending life, the authors write. We can only hope that more answers are found in our lifetime.

The idea that a second copy of the same sex chromosome is protective has been around for a while, supported by the observation that in mammals where females have two of the same sex chromosomes males tend to have shorter lifespans. In birds, males live longer on average and have two Z chromosomes, while females have one Z and one W chromosome.

Scientists say they have found the trend is widespread. Writing in the journal Biology Letters, the team report that they gathered data on sex chromosomes and lifespan across 229 animal species, from insects to fish and mammals. Hermaphroditic species and those whose sex is influenced by environmental conditions such as green turtles were not included.

The results reveal that individuals with two of the same sex chromosomes live 17.6% longer, on average, than those with either two different sex chromosomes or just one sex chromosome.

The team say the findings back a theory known as the unguarded X hypothesis. In human cells, sex chromosome combinations are generally either XY (male) or XX (female). In females only one X chromosome is activated at random in each cell.

As a result, a harmful mutation in one of the females X chromosomes will not affect all cells, and hence its impact can be masked. By contrast, as males only have one X chromosome, any harmful mutations it contains are far more likely to be exposed.

The team found that in species where males have two of the same sex chromosomes, these males live on average 7.1% longer than females. However, in species where the sex chromosome pattern is the other way around, such as humans, females live 20.9% longer on average than males.

The researchers say the extent of the longevity gap may reflect other factors at play, including that males tend to take more risks when it comes to securing a sexual partner, including fighting. These pressures to travel far to find a mate, establish a territory and compete with other members of your sex are not seen often in females, said Zoe Xirocostas, a co-author of the research from the University of New South Wales.

But there are also other possibilities as to why the longevity gaps differ in size, including that oestrogen appears to protect the ends of chromosomes from being damaged a process linked to ageing.

Our study suggests that the unguarded X is an underlying genetic factor that can influence lifespan, but many external factors can influence longevity in different ways such as predation, risky behaviours, establishing territories and access to quality nutrition, said Xirocostas.

Prof Steven Austad, an expert on ageing at the University of Alabama at Birmingham, who was not involved in the study, said the theory that having two of the same sex chromosomes is beneficial for longevity was appealing.

I would think that it plays some role in understanding sex differences in longevity but it certainly isnt the only factor, he said, noting that both risk-taking behaviour and parental roles also appeared to be important. For instance, owl monkey males live longer than females and the males play a big role in infant care in that species, he said, noting such males have two different sex chromosomes.

Austad said the upshot was that longevity is not only about sex chromosomes. There is a general trend, but with numerous exceptions, he said.

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Former unicorn genetics startup Human Longevity loses its …

Wednesday, March 4th, 2020

San Diego, California-based Human Longevity Inc. (HLI) was founded in 2013 with the audacious mission of radically extending the human lifespan through better understanding of peoples genetic makeup.

Back then the promise created by lower cost genetic sequencing seemed ripe for HLI co-founder and genetic sequencing pioneer Craig Venter to take to market. Venter is a legend in the field of genetics known for his efforts at Celera Genomics on one of the first attempts to successfully map the human genome.

Investors like Celgene, Illumina and GE Ventures agreed, pouring hundreds of millions into the company, including a funding round in 2017 that valued HLI at more than $1.6 billion.

Since that peak, however, the companys value has declined 80 percent to $310 million, according to a recent story in The Wall Street Journal.

Citing documents acquired by Lagniappe Labs and a letter to shareholders from HLI,the newspaper reported that the company is attempting to raise $25 million from existing investors at the new valuation.

The terms of the current funding roundinclude priority payments to those investors in the case of a liquidation event and an anti-dilution provision called full-ratchet that allows investors to keep their ownership stakes constant by adjusting their own share prices if HLI decides to raise capital again at a lower price.

The Journal reports that the companys employee count has dropped from 300 workers in 2016 to 150 today. Over the past few years, HLI has also had a virtual revolving door among its C-suite ranks.

Company co-founder Venter stepped down as CEO in 2017 and was replaced by Cynthia Collins, a former executive at GE Healthcare.

Collins herself left the company in less than a year later,along with a handful of other high level executives, and Venter again took the role of CEO.

Venter stepped down from the company for the second time in May and was subsequently sued by HLI for allegedly stealing trade secrets and trying to poach employees. Earlier this year, Saturnino Fanlo, Human Longevitys chief financial officer and chief operations officer alsodeparted.

Currently, Human Longevity is being led by its chief of radiogenomics and interim CEO David Karow which telegraphs the companys new focus on its Health Nucleus business line, which sells a package consisting of full DNA sequencing alongside a battery of tests including a whole body MRI, heart rhythm monitoring andneurocognitive testing.

The diagnostic focuses on early detection and prevention of disease like cancer and cardiac disease,as well as metabolic and neurodegenerative diseases. While HLI has said the test has found early-stage issues in seemingly healthy patients,critics have often cited the lack of peer-reviewed validation for the companys claims.

Health Nucleus, which is not covered by insurance, ranges in price from $4,950 to $25,000 for the most robust diagnostic. It is currently only offered at HLIs San Diego headquarters, but the company said it plans to expand availability to other locations around the country.

Picture: Creative-Touch,Getty Images

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Frank Buckles, the last soldier to fight in World War I dies at 110 – SOFREP

Sunday, March 1st, 2020

Frank Buckles lived an amazing and long life.

He joined the Army at only 16 years old to fight in World War I, and later as a civilian, working in the Philippines, was captured by the Japanese at the outset of World War II. He survived three hellish years as a POW at Los Banos POW Camp before being rescued in a raid by American forces.He passed away on February 27, 2011, at the age of 110.

Buckles was born on Feb. 1, 1901, in Bethany Missouri. He was the youngest of five children and the third boy in the household. His familys ancestry traced back to the Revolutionary and Civil Wars. One thing that stood out, however, was that his family genetics were blessed with longevity. As a young boy, he remembered long talks with his grandfather who was born in 1817. His father lived to be 95, his grandmother 96. When he was young he had two aunts that told him to prepare himself for a long life. Both of them lived to be over 100.

When he just a teenager, his family moved from Missouri to Oakwood, Oklahoma, where Buckles went to school, worked in a bank and became an avid wireless operator. With the United States entering World War I, although he was just 16 years old, he tried to enlist. The war, which had started in 1914, was an important event, he remembered later. The world was interested in it. So, I was interested. The Marine Corps turned him down as being too small, sensing that he was underage; the Navy also turned him down ostensibly for having flat feet, also believing him to be too young. But the Army did not. An Army captain asked him for a birth certificate. I explained that when I was born in Missouri, birth certificates were not a public record, Buckles said. It would be in the family Bible. And I said, You wouldnt want me to bring the family Bible down here, would you? He said, Go on, well take you.' So, the U.S. Army hurting for manpower accepted the youngster and he joined on August 14, 1917.

Buckles underwent basic training at Ft. Riley, KS. After basic training, he was trained as a motorcycle rider and ambulance driver. Later in 1917, he was among the first Americans who made their way from England to France. He saw first-hand what combat in the trenches did to the men fighting there as he transported them to hospitals in the rear.

There was never a shortage of blown-up bodies that needed to be rushed to the nearest medical care. The British and French troops were in bad shape even guys about my age looked old and tired. After three years of living and dying inside a dirt trench, you know the Brits and French were happy to see us doughboys. Every last one of us Yanks believed wed wrap this thing up in a month or two and head back home before harvest. In other words, we were the typical, cocky Americans no one wants around, until they need help winning a war.

At the wars end, he helped transport thousands of German POWs back to their homeland. One German soldier gifted him with a belt buckle with the inscription Gott mit uns (God with us). It was a gift that he would keep for the rest of his life. Promoted to Corporal just before he was mustered out in November 1919, Buckles returned to the United States and took part in the dedication of the Liberty Memorial in Kansas City, Missouri where he met the Commander of the American Expeditionary Force General John Pershing.

After the war, despite many veterans having trouble finding work, Buckles never was at a loss for one. He worked in NYC, Toronto, then took a job as a ships purser, and later he ran the Manila office of the American President Lines when the Japanese invaded the Philippines in December 1941 after the bombing of Pearl Harbor. He and many other Americans, both civilian and military, were taken as prisoners of war.

Buckles was a POW for more than three years in the Santo Tomas and Los Baos prison camps. When I got down to 100 pounds, I quit looking at the scales, he said. Like many POWs, he contracted beriberi, a disease caused by malnutrition. To combat the disease, he led a daily calisthenics class for the POWs. I explained to them, he recalled, that were under severe circumstances, but you must keep yourself in shape for when the war is over.

On February 23, 1945, they were all liberated in a daring raid led by the Armys 11th Airborne Division and Filipino guerillas. All 250 of the Japanese guards were killed and the combined rescue force liberated 2147 POWs. Buckles had completed his second war and was now 44 years old.

After the war, he returned to the United States and married Audrey Mayo in 1946. The two bought a 330-acre cattle ranch in West Virginia. They raised a daughter, Susanah, and remained in WV. His wife died in 1999. He continued to drive the tractor on his farmland well into his 100s.

Gary Sinise and Buckles led the Memorial Day Parade of 2007; he was 106 at the time. He was later asked to visit the White House as a guest of President George Bush. Buckles thought that it was an interesting visit. I went to the White House and sat in the Oval Room, he recalled. And here came President Bush and he asked me: Where were you born? And I said, Thats exactly the words that General Pershing used.

Buckles became the honorary Chairman of the World War I Monument Committee and was an outspoken advocate for the dedication of a monument to honor the men who sacrificed so much during the Great War.

We still do not have a national memorial in Washington, D.C. to honor the Americans who sacrificed their lives during World War I. On this eve of Veterans Day, I call upon the American people and the world to help me in asking our elected officials to pass the law for a memorial to World War I in our nations capital. These are difficult times, and we are not asking for anything elaborate. What is fitting and right is a memorial that can take its place among those commemorating the other great conflicts of the past century. On this 92nd anniversary of the armistice, it is time to move forward with honor, gratitude, and resolve.

Buckles died on February 27, 2011, aged 110. He was buried with full military honors in Arlington National Cemetery. As was noted by Paul Duggan, a reporter for the Washington Post:

The hallowed ritual at grave No. 34-581 was not a farewell to one man alone. A reverent crowd of the powerful and the ordinaryPresident Obama and Vice President Biden, laborers and store clerks, heads bowedcame to salute Buckless deceased generation, the vanished millions of soldiers and sailors he came to symbolize in the end.

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Stories from the street: This group gathers to write, share stories and celebrate milestones – Idaho Press-Tribune

Sunday, March 1st, 2020

It was an offer I couldn't refuse.

I recently had the opportunity to attend a monthly meeting of a group of Treasure Valley writers who also happened to be celebrating a milestone: one of their members had just turned 100.

I arrived at the home of Peggy Thiessen in Boise. She and two others Lavaughn Wells and Nancy Ives were waiting for "the birthday girl" to arrive. In the meantime, we began talking.

I found out that this group of "women of a certain age" the youngest, I was told, is 68 get together once a month to share their stories. They all have been working on their autobiographies for a number of years. They follow Frank P. Thomas' book, "How to Write the Story of Your Life."

At each meeting, they read their most recent installments out loud to one another. "An interesting thing is when we read our stories we piggy-back on top of each other," said Thiessen. "There are triggers. We'll think of something in our past that we want our children to know."

The stories are for family members to read so that they can get a glimpse of what their mother's, grandmother's, aunt's or great-aunt's lives were like "before smartphones."

It's a chance to show that there may be more than work or looking at screens, said Ives. "I write my stories in the hopes that my great-nieces will not be too orthodox. I think there's a lot more to life than 8-to-5," she said. "I hope this will give them a spark to get away and see some of the world."

Thiessen, 78, the de facto leader and hostess of the group, said she has been through Thomas' book about four times and each time remembers more stories to write down.

"As you write more and more, you remember more and more," she said. "I tend to write about the funny things instead of the harder things I don't want to think about those things."

Theissen writes all of her tales out in longhand, and her husband, Wayne, types them up for her. They've been married for 57 years, but still "sometimes he learns something new or remembers something he forgot," she said.

Wells, 80, traveled around spending time in Indiana, Ohio and Kentucky before lighting down in Boise in 1986. "My husband, David A. Wells, started the Blue Thunder Marching Band at Boise State," she said. "The first time they were on the field was in 1987."

Lavaughn Wells was also involved in music she had been a teacher in choral music at Nampa High.

Ives, 82, was originally from California and came to Boise by way of Taiwan in 2007. "It was a jump," she said, smiling.

Then the guest of honor arrived. Ethel Farnsworth walked into the room, took a seat and looked around, noting everyone there.

"I've had an interesting life," she said.

Farnsworth, who actually turned 100 on Feb. 9 which also happened to be Ives' birthday held her latest story on her lap. "We're so old, we're turning things over to the historical society," she said, laughing.

Prompted by Thiessen, Farnsworth regaled the group with the story of how she and her husband, Ken Farnsworth Jr., now deceased, came to be the owners of Rhodes Bake-N-Serv, the frozen bread dough company.

There was a Mr. Rhodes, she said, and through a series of fortunate events, he came up with the winning formula for frozen bread dough, much to the delight of homemakers everywhere.

"Mr. Rhodes had found this recipe in the drawer of a cabinet," said Ethel. He handed the it over to his ingenious nephews who began perfecting the process.

Ethel's husband, Ken, who had started a food brokerage business, sort of stumbled onto his bread destiny.

He found Rhodes Bread while traveling in northern Idaho, said Ethel. "He saw some women, who he knew were home bakers, waiting at a grocery store for the bread truck to come in." Intrigued, Ken Farnsworth waited, too. When the truck arrived, it wasn't at all what Farnsworth had imagined: it was a small truck with two college-aged young men handing out frozen loaves of bread dough to the excited women who took the dough home and made fresh "homemade" bread.

Not what he thought, no, but Ken Farnsworth was mightily impressed.

"He immediately went to Portland to meet Mr. Rhodes," said Ethel. "In time, Ken convinced (Mr. Rhodes) he could do a good job with Rhodes bread and he added it to his brokerage and he eventually bought the business," she said.

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Ken Farnsworth became the owner but always remained faithful to the bread basics started by Rhodes, who had been a strict vegetarian and humanitarian. "Herbert Cecil Rhodes founded Rhodes Bake-N-Serv in 1958," it says on the company website. "He was a man with high standards and personal principles. ... He did not allow any preservatives to be added to Rhodes White Bread Dough or White Roll Dough. The flour he selected also had to be of the highest quality, unbleached, and have a high-protein content.

Ethel, who was a home economist, published a number of frozen bread dough recipe books for the company, but the most requested recipe through the years is the Butterscotch Bubble Loaf.

Today, the company is run by Kenny Farnsworth, their oldest son. "He's doing such a good job, Rhodes is in all 50 states and he's working on Hawaii," Ethel said.

Looking over her life, Ethel talked about some of the highlights, including her eight children, 16 grandchildren, "and who knows how many great-grandchildren," plus some great-great grandchildren.

After moving from Massachusetts to Morningside Park in Los Angeles, The Farnsworths "found" Boise, she said, in 1959.

"My husband was traveling the 13 western states and he always liked Boise, he found it so friendly," Ethel said. "One day he called and said, 'I bought you a house on Owyhee Street in Boise, Idaho.' I said 'get me a map,'" she said laughing.

She taught foods classes at Boise State University for two years until "they decided (teaching) the classes was too expensive maybe they had to buy a new stove or something," she said, laughing.

She was moved over to The Learning Center in 1976 or '76, she said, where she worked with some of the community's earliest refugee population. "It was the fall of Saigon and people from Vietnam were coming in to Boise. I was in charge of the refugee center," she said.

Farnsworth still goes on walks every day "when the sun shines," works out with her exercise programs on Tuesdays and Thursdays and plays Mahjong twice a month.

To what does she owe her longevity?

She thinks a moment. "I would just say it's just genetics," she said with a smile.

"We're still pretty active old broads."

Know somebody with a story to tell? A neighbor, friend? Someone youve met in school, at church or the grocery store? Send your story ideas to jhuff@idahopress.com, or call 208-465-8106 or 208-871-0911.

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Research on intermittent fasting shows health benefits – National Institute on Aging

Thursday, February 27th, 2020

Evidence from decades of animal and human research points to wide-ranging health benefits of intermittent fasting, according to an NIA-conducted review of the research, published in the New England Journal of Medicine. Still, more research is needed to determine whether intermittent fasting yields benefits or is even feasible for humans when practiced over the long term, such as for years.

Intermittent fastingis an eating pattern that includes hours or days of no or minimal food consumption without deprivation of essential nutrients. Commonly studied regimens include alternate day fasting, 5:2 intermittent fasting (fasting two days each week), and daily time-restricted feeding (such as eating only during a six-hour window).

Hundreds of animal studies and scores of human clinical trials have shown that intermittent fasting can lead to improvements in health conditions such as obesity, diabetes, cardiovascular disease, cancers and neurological disorders. The evidence is less clear for lifespan effects. Animal studies have shown mixed results, with sex, food composition, age and genetics among the factors that influence longevity. Human trials have mainly involved relatively short-term interventions and so have not provided evidence of long-term health effects, including effects on lifespan.

The review authors are Rafael de Cabo, Ph.D., of NIAs Intramural Research Program (IRP), and Mark P. Mattson, Ph.D., formerly of NIAs IRP and currently a neuroscientist at the Johns Hopkins University School of Medicine.

Although intermittent fasting often results in reduced calorie consumption, weight loss is not the main driver of the health benefits observed in preclinical and clinical studies, according to the authors. Rather, the key mechanism is metabolic switching, in which fasting triggers the body to switch its source of energy from glucose stored in the liver to ketones, which are stored in fat.

Ketone bodies are not just fuel used during periods of fasting, the authors wrote. They are potent signaling molecules with major effects on cell and organ functions.

Ketogenesis, or the increase of ketones in the bloodstream, initiates activity in a variety of cellular signaling pathways known to influence health and aging. This activity enhances the bodys defenses against oxidative and metabolic stress and initiates the removal or repair of damaged molecules. The impact of ketogenesis carries over into the non-fasting period and can improve glucose regulation, increase stress resistance and suppress inflammation.

Repeated exposure to fasting periods results in lasting adaptive responses that confer resistance to subsequent challenges, the authors explain. The broad-spectrum benefits include not only disease resistance but also improved mental and physical performance.

The authors acknowledge impediments to widespread adoption of intermittent fasting: the ingrained practice in developed nations of three meals a day plus snacks (along with the ready availability and marketing of food), the discipline required to shift to a new eating pattern and the lack of physician training on intermittent fasting interventions. The authors suggest that clinicians who prescribe intermittent fasting encourage their patients to adopt a gradual, phased-in schedule in consultation with a dietitian or nutritionist.

In addition to the question of intermittent fastings long-term effects in humans, the authors point to two other areas requiring further research. Studies are needed to determine whether this eating pattern is safe for people at a healthy weight, or who are younger or older, since most clinical research so far has been conducted on overweight and middle-aged adults. In addition, research is needed to identify safe, effective medications that mimic the effects of intermittent fasting without the need to substantially change eating habits.

This review article and many of the research studies cited within were supported by NIA.

Reference: De Cabo R and Mattson MP. Effects of intermittent fasting on health, aging, and disease. New England Journal of Medicine. 2019;381(26):2541-2551. doi: 10.1056/NEJMra1905136.

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Dogs Wanted for Massive Study on Aging in Canines – The Bark

Thursday, February 27th, 2020

Almost 80,000 dogs have been nominated to participate in a new nationwide study on dog aging since registration began last fall, but theres still time for your dog to become part of the pack.

We know from previous work done with dog owners that they are motivated to help their dogs live longer, healthier lives, but the response has been positively overwhelming, saidAudrey Ruple, a veterinary epidemiologist and assistant professor of One Health Epidemiology in the Purdue UniversityCollege of Health and Human SciencesDepartment of Public Health.

TheDog Aging Projectwill look at dogs from all breeds and mixes from across the nation. This is the first major longitudinal study involving dogs, and it's scheduled to last at least 10 years.

Dogs are good models for humans, said Ruple, who is one of more than 40 scientists and researchers participating in the study. They have similar genetics, share our environment, and they also have similar diseases and health issues. We will be asking, How do dogs age healthfully? in order to help better understand how we can age healthfully, too.

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Dogs of all age ranges, breeds and sizes are eligible to participate. Owners can goonlinefor more information and to register their dogs. The most popular breeds submitted so far for the study are Labrador retriever, golden retriever, German shepherd, dachshund, Australian shepherd, poodle, chihuahua, shih tzu, boxer and Yorkshire terrier.

Once enrolled, owners will need to complete surveys about their dogs health and lifestyle.Dogs must go through their regular annual examination with their veterinarian. If a dog is assigned to a specific study group, owners may be sent a kit for the veterinarian to collect blood, urine or other samples during the annual visit. Participation is voluntary, and there is no cost to participate.

Ruple said the group also is trying to find the nation's oldest dog.

Dogs have been nominated from all 50 states. The states with the most nominated canines are California, Washington, Texas, Florida, New York, Illinois, Pennsylvania, North Carolina, Colorado and Ohio. States with the least nominations are North Dakota, South Dakota, Wyoming, Delaware and Mississippi.

The group has had nine dogs nominated that were 24 years old, as well as nine other dogs that were 23 years old.

All dogs registered will be eligible to participate in various studies.

Researchers hope to find out more details on how factors like an individuals genome, proteome, microbiome, demographics and environmental factors such as chemical exposures and noise pollution impact health and longevity.

Ruple said one goal of the study is to not just improve the health and longevity of dogs, but also extend those findings to improve human health.

By studying aging in dogs, we hope to learn how to better match human health span to life span so that we can all live longer, healthier lives, Ruple said.

Funding for the Dog Aging Project comes from the National Institute of Aging, a part of the National Institutes of Health, as well as from private donations.

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Precision Medicine Software Market Growing Rapidly with Significant CAGR of +10% by 2026 Syapse, Allscripts, Qiagen, Roper Technologies, Fabric…

Tuesday, February 25th, 2020

Precision Medicine Software Market research report has been published by A2Z Market Research to give desired insights to drive the growth of businesses. The report initiated with study introduction which is followed by statistical details of the market that reveals the current market status and future forecast. The analysts have scrutinized the market drivers, confinements, risks, and openings present in the overall market.

The Global Precision Medicine Software market size was increased to xx million US$ from xx million US$ in 2015, and it will reach xx million US$ in 2026, growing at CAGR of +10 % between 2020 and 2026.

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Some of the Top Companies Profiled in this Report includes: Syapse, Allscripts, Qiagen, Roper Technologies, Fabric Genomics, Foundation Medicine, Sophia Genetics, PierianDx, Human Longevity, Translational Software, Gene42, Lifeomic Health.

This report provides a detailed and analytical look at the various companies that are working to achieve a high market share in the global Precision Medicine Software market. Data is provided for the top and fastest growing segments. This report implements a balanced mix of primary and secondary research methodologies for analysis. Markets are categorized according to key criteria. To this end, the report includes a section dedicated to the company profile. This report will help you identify your needs, discover problem areas, discover better opportunities, and help all your organizations primary leadership processes. You can ensure the performance of your public relations efforts and monitor customer objections to stay one step ahead and limit losses.

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Global Precision Medicine Software Market Research Report 2020 2026

Chapter 1 Precision Medicine Software Market Overview

Chapter 2 Global Economic Impact on Industry

Chapter 3 Global Market Competition by Manufacturers

Chapter 4 Global Production, Revenue (Value) by Region

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Chapter 6 Global Production, Revenue (Value), Price Trend by Type

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E.coli bacteria running the Internet of Things – IOL

Tuesday, February 25th, 2020

Technology/23 February 2020, 3:48pm/Louis Fourie

CAPE TOWN One of the areas of the Fourth Industrial Revolution (4IR) that has seen phenomenal growth over the past few years is that of bioscience and bioengineering. But when bioscience is combined with computer science, it seems that we may one day have biological computing devices that could partly replace the current hard drives, silicon microprocessors and microchips.

At least this is what some scientists firmly belief is possible.

Through the study of genetics we know that all living organisms consists of genes and deoxyribonucleic acid or DNA. These strings of DNA contains huge amounts of data that can last thousands of years as is evident from the 45 000 year old human femur bone from Siberia that was DNA-sequenced or decoded a few years ago.

It is exactly this remarkable data density and longevity of DNA that got scientists interested. Scientists have therefore been researching a synthetic form of DNA sequencing to store large quantities of data for an indefinite period of time. Recently scientists from Microsoft and the University of Washington announced that they were making very good progress. Already in 2018 they were already able to store 200 MB of data in DNA format and were able to retrieve it with zero errors.

Since 2018 much progress has been made and it seems very likely that DNA storage could complement current data storage methods or even replace some of them in the future. Perhaps Microsoft Researchs target of a DNA storage system functioning within a data centre by the turn of the decade is not so far-fetched.

Due to advances in nano- and biotechnology scientists at the Queen Mary University in London are taking research further and are using microbes to network and communicate at nanoscale, which is of particular interest to the Internet of Things (IoT).

In a 2019 paper by Raphael Kim and Stefan Poslad titled The thing with E.coli: Highlighting Opportunities and Challenges of Integrating Bacteria in IoT and HCI the researchers explain that it is not only the minute size, but also the autonomous nature of bacteria that caught their attention and presents interesting possibilities. Bacteria have an embedded, natural propeller motor or whip-like structure, called flagella, that propels them forward.

The research is still at an early stage but the exploitation of similarities between bacteria and computing devices is of great interest to the future of computing. The microbes share interesting similarities with some components of typical IoT devices, which indicate that bacteria could be used as a living form of an IoT device.

A good example would be the field of environmental IoT where bacteria could be programmed and deployed in the sea or in smart cities to detect toxins or pollutants, gather data, and even undertake the biomediation processes.

Likewise, in healthcare and medicine, bacteria could be programmed and deployed to treat specific diseases. The bacteria could swim to a pre-determined destination in the human body, then produce and release encoded hormones when triggered by the microbes internal sensor.

Microbes have exceptional chemical sensing, as well as actuating, communication and processing capabilities typical of a computerised IoT and could even outperform the best electronic devices. Bacteria cannot only detect chemicals, but also electromagnetic fields, light, mechanical stress, and temperature, as is normally done by traditional electronic sensors. The bacteria can also respond to these stimuli through movement using their flagella, or through the production of coloured proteins.

In fact bacteria are better than electronic chip-based sensors, since they are much more sensitive, stable and responsive than their digital counterparts. This superior qualities makes bacteria especially useful as a living form of IoT device and also valuable in the field of Human Computer Interaction (HCI).

Just like a digital control unit, memory and processor, the programmed DNA controls the bacteria and functions as a control unit with regard to the collection (sensing), processing and storing of data. Genomic DNA contains the instructions for the functioning of the bacteria, while the smaller circular plasmids (a form of DNA used to introduce genes into organisms) determine the process functions through gene addition and subtraction, as well as the storage of new data.

According to the team from the Queen Mary University the cellular membrane functions as the transceiver and allows for both the transmission and reception of communication. This molecular communication or the DNA exchange between cells forms the basis of a bacterial nanonetwork or signalling pathway.

This possibility of bacterial networks as an example of molecular communication such as the widely known E.coli bacterium that could act as an information carrier has in particular excited the IoT community.

The research with digital-to-DNA data and back again from DNA-to-digital data is showing great promise for the future. The idea of the researchers is to use the bacteria to create a potential substrate for the Internet of Bio-Nano Things (IoBNT), which entails the networking and communication through nanoscale and biological entities. Some of the often-despised bacteria may indeed change our connected world of sensors and IoT devices in the future.

Interesting is that the researchers from the Queen Mary University, London closes their research paper with a passionate plea for experimentation with do-it-yourself technology by enthusiasts to promote the IoBNT. They refer to the easily obtainable and affordable educational products like the Amino Labs Kit that are widely available to the public and allow, for example, many bioengineering experiments such as the generation of specific colours from bacteria through the programming of K12 E.coli DNA. Tools, data, and materials of biotechnology that enable the broader public to run small-scale experiments with microorganisms are currently easily accessible and affordable.

The Amino Labs Kit, for instance, caters for people who are interesting in manipulating and genetically engineering E.coli bacteria. The kit enables the user to create customised living colours and smells through the building of genetic circuits that can be triggered through a variety of pre-determined environmental stimuli.

This call by the researchers is not so unusual since technology hobbyists that experimented with very affordable Arduino microcontrollers and Rasberry Pi mini-computers were the very people that significantly advanced the traditional IoT. The mini-computers and the building of sensors and IoT controller devices were the learning space of many very successful technologists and scientists.

Due to the hard work of bioscientists around the world, programming of DNA is improving our quality of life in many instances and is keeping diseases at bay. It is therefore logical that the number of genetically engineered products will continue to rise in the future since it is one of of the 4IR.

Biotechnology en bioengineering will play an increasingly important role as major building blocks of the 4IR. Do-it-yourself and educational bio-kits can therefore teach potential future scientists how to effectively program bacteria. And perhaps some of the young bioengineers, learning the skills and concepts of the future, may one day become the scientists that solve the challenges of cancer, hunger, waste and climate change.

Todays adventures in science create tomorrows innovators. And it all starts with a string of DNA and an unpretentious bacterium.

Professor Louis C H Fourie is a futurist and technology strategist.[emailprotected]

BUSINESS REPORT

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This Dior Serum Is Basically The Fountain Of Youth | BEAUTY/crew – BEAUTYcrew

Tuesday, February 25th, 2020

The serum can reach deeper into the skin

Besides the star-studded line-up of ingredients, the formula features a clever delivery system that helps it go deeper into your skin. In particular, the formula features a bio-fermented lipopeptide (which is a probiotic to regulate the pH of your skin) which, when combined with the floral and hyaluronic acid ingredients, can improve the rate of penetration by 30 per cent. So, what does this mean? Well, it allows for quicker absorption, making it perfect to use both morning before applying foundation, and at night before going to bed.

The beauty of Dior Capture Totale Super Potent Serum is that it doesnt just do one thing - it actually addresses all aspects of ageing, as proven by 600 women from France, China and Japan*. The panel revealed that after continuous use, their skin looked brighter and smoother, and felt bouncier and stronger. And who doesnt want a complexion that looks and feels seriously healthy?

Like all good skin care products, the Super Potent Serum does its best work when its supported by a great team. There are four other products in the Capture Totale range that are also formulated with natural-origin ingredients. When used as a complete skin care routine the range delivers even more impressive anti-ageing results.

Dior Capture Totale High-Performance Gentle Cleanser: This cleanser can effectively remove dirt and sebum without aggravating skin and can improve skins softness.

Dior Capture Totale High-Performance Serum-Lotion: Pop a few drops of this hydrating product onto a cotton pad or the palms of your hands and press it all over your face for juicy-looking skin. Vitamins C, E and B3 in the formula have brightening and soothing qualities.

Dior Capture Totale Firming & Wrinkle-Correcting Crme: Dont underestimate its lightweight texture; this moisturiser can dial up radiance, fill fine lines and smooth skin in the long run. A special shout-out goes to the bio-fermented ceramides that help improve the skins barrier.

Dior Capture Totale Firming & Wrinkle-Correcting Eye Cream: Want to brighten and strengthen the skin around your eyes? Look no further than this phytosterols-enriched eye cream that works to firm up the delicate area.

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Global Precision Medicine Software Market Research Provides an In-Depth Analysis on the Future Growth Prospects and Market Trends Adopted by the…

Tuesday, February 25th, 2020

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SyapseAllscriptsQiagenRoper TechnologiesFabric GenomicsFoundation MedicineSophia GeneticsPierianDxHuman LongevityTranslational SoftwareGene42, IncLifeomic Health

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North America (the United States, Canada & Rest of the countries)

Europe (Germany, The UK, France, Netherlands, Italy, Spain & the rest of the countries)

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YEARS CONSIDERED FOR THIS REPORT:

Historical Years:2015-2019

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Estimated Year:2020

Forecast Period:2020-2026

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The analysis highlights a region-wise as well as a worldwide study of the Precision Medicine Software market. Proportionately, the regional study of the industry comprisesJapan, South East Asia, India, the USA, Europe, and China.Moreover, the report reviews an in-depth market analysis of distinct manufacturers and suppliers. It explainsindustry chain structure, competitive scenario, and study of Precision Medicine Software industry costin detail. It evenly analyzes global industry size pursued by forecast period (2020-2026) and environment.

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The analysis covers basic information about the Precision Medicine Software product likeindustry scope, segmentation, anoverviewof the market. Likewise, it providessupply-demand data, investment feasibleness, and elements that limiting the growth of an industry. Predominantly, it helps product demand, annual revenue and growth prospects of the industry. The foreseen Precision Medicine Software market regions along with the present onesassist leading vendors, decision-makers, and viewers/readersto plan effective business strategies respectively.

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Growth Opportunities

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1 Industry Overview of Precision Medicine Software

2 Industry Chain Analysis

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6 Global and Foremost Regions Capacity, Production, Revenue and Growth Rate by 2013-2019

7 Consumption Volumes, Consumption Value, Import, Export and Sale Price Analysis by Regions

8 Gross and Gross Margin Analysis

9 Marketing Traders or Distributor Analysis

10 Global and Chinese Economic Impacts on the Precision Medicine Software Industry

11 Development Trend Analysis

12 Contact information

13 New Project Investment Feasibility Analysis

14 Conclusion of the Global Precision Medicine Software Industry 2019 Market Research Report Continued

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What are some of the most favourable, high-growth prospects for the global Precision Medicine Software market?

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What are the competitive threats and challenges to themarket?

What are the evolving trends in this Precision Medicine Software market and reasons behind their emergence?

What are some of the changing customer demands in the Precision Medicine Software Industry market?

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Could super-agers slim down the vast amount the NHS spends on obesity? – Telegraph.co.uk

Thursday, February 20th, 2020

An elderly lady hears a knock at the door. Thinking its Meals on Wheels, she opens it to find a bloke dressed in blue, wearing a red cape with his pants on over his tights and claiming to be Clark Kent. She stares at him in bafflement.

Superman! he cries.

She looks him up and down, doubtfully. Ill have the soup, please, she says.

I tell this partly because its silly and makes me laugh aloud, partly to illustrate that the prefix super has rather lost its heroic allure here in 2020.

Since the advent of superbugs that dont respond to antibiotics, super rats that are resistant to poison and now super-spreaders, unwittingly responsible for infecting countless others with the new coronavirus, super-anythings are best avoided.

But how would you feel about being dubbed a super-ager? Its where your biological age is much lower than your chronological age, making you a source of wonder and envy.

We all know people who look decades younger than their peers and are far more energetic than their own teenage kids. What is their secret?

Thanks to a new breakthrough in DNA testing at the University of Southern California, researchers have pinpointed the genes present in those who remain young at heart (as well as mind and limb), despite the passage of the years.

While the outlook is bright for these veritable Benjamin Buttons who stay active long past retirement, they are the exception rather than the rule. Scientists found that some individuals had a body age 40 years older than their real age. In one instance a 66-year-old was found to have a biological are 114 whereas a 59-year-old had a body age of 23.

But the good news is that genetics alone dont dictate health and longevity or, indeed, healthy longevity. Lifestyle is arguably an even more crucial factor and improving it will reverse ageing.

With 29 per cent of adults in England obese, and a further 35 per cent overweight, a horrifying 64 per cent, the majority of the population is fat, according to the NHS.

No wonder its buckling under the burden; in 2017/18, there were 711,000 hospital admissions where obesity was recorded as a primary or secondary diagnosis, a figure up 15 per cent. Yes, thats up 15 per cent from 2016/17. Overeating is a homegrown epidemic raging out of control.

Maybe super-aging as a concept, as a goal, could provide a positive incentive to those battling with weight? It certainly shook me from my complacency.

A few years ago, I interviewed metabolic experts at Newcastle University, who were taking part in the fascinating BBC Series, How To Stay Young, in which a cross section of ordinary people had their body age measured. In every case, it was far older than their birth age, due to poor diet and too little exercise.

Purely in the spirit of research, I gamely went through the same tests and discovered I had a biological age of 70, compared to my actual age of 51. This shocking differential was down to my weight, which was placing me at increased risk of diseases like cancer, dementia and type 2 diabetes.

I was gutted. Mortified. In tears and deeply ashamed, I had neglectfully allowed a few pounds here or there to accumulate to the point where I was seriously compromising my own long-term health.

It was stupid and unnecessary. Just because adverts and voiceovers exhort you to go ahead and treat yourself doesnt mean you should. I thought I was better than that. Turns out, I wasnt.

I was told in no uncertain terms to lose weight, and fast. It didnt matter how; a crash diet was far less of a danger than staying fat. I always thought of fat as being a largely inert substance that caused narrowing of arteries and surrounded organs making them less efficient.

It turns out that fat enters every cell. It impedes healthy functioning, disrupts the metabolic processes, creates conditions that cause cancers to develop and ages the body prematurely. Terrifying stuff. But sometimes we need to be frightened into effecting change.

I know I did. And my diet journey taught me that if losing weight is hard, keeping it off feels downright Sisyphean. So how to stay focussed? I genuinely believe that turning the obesity crisis from a moral panic into a numbers game might do the trick.

Who wouldnt want to join the ranks of the super-agers? Targeted goals shed five pounds, get back eight years of health or whatever would transform losses into gains.

Warding off old age is a far more potent, life-affirming goal than fitting into a favourite frock in time for a spring wedding. Especially when you know you have last years capacious polka-dot Zara dress on standby, just in case.

I eventually lost 22lbs (10kg) in 12 weeks, slashing my biological age to 55 and halving my risk of type 2 diabetes. I was delighted, but thereafter the real work started as I have sought to maintain my new weight ever since.

These headlines about super-aging have given me a useful fillip and reminded me whats at stake. I feel its a message that urgently needs to get out there.

If more of us had the mindset that refraining from that 4pm slump brownie might be a sacrifice today but an investment in tomorrow, mine could be a generation of super-agers, skiing, surfing and bringing meals on wheels to those decades younger but far less fit for purpose.

Read Judith Woods at telegraph.co.uk every Thursday, at 7pm

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