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The majority of nutritional advice is general, out of necessity, and some of it does apply to everyonelike eating more vegetables and drinking enough water.

But when it comes to more specific strategieslike how much to eat in order to lose or maintain weight and what you should be eating to achieve thatit can get tricky. New research suggests the issue is complicated because individuals can have different reactions to the amount and type of food compared to others eating the same quantity and meals.

In a small study published in the journal Nature Food, researchers served 19 volunteers four different types of meals comprised of foods ranging from heavy on fruits and vegetables to those typical of a fast food dinner. The people ate these meals over four three-day inpatient periods, which means compliance was closely monitored.

After analyzing urine through molecular profiling technology, researchers found different patterns of chemical composition, suggesting unique responses to the food based on how it was being metabolized. Also, even though everyone ate the same amount of calories, some people excreted more calories through their urine than others, researchers found.

This is because of the way each persons metabolic pathways are activated, a process often called metabolic flexibility, said study coauthor Jeremy Nicholson, Ph.D., professor and pro-vice chancellor of health sciences at Murdoch University in Australia.

Most nutritional advice is general, but we know that one size does not fit all, he told Bicycling. In the future, it will be normal to have individualized diets, but these will be informed by metabolism, not genetics. Thats because through your life, your dynamic phenotype [characteristics that change over time] is influenced not just by genes but also by lifestyle, diet, exercise, gut microbes, medications, and other factors.

In the same way that long-term health risks can be pinpointed through factors like these, it may be possible to tailor healthy eating advice in the same way, using molecular technology to understand an individuals metabolic flexibilityand tweak nutrition plans based on that, Nicholson said.

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Until the day comes when insights like those become commonplace in a way thats commercially available, it may be helpful to understand that even with healthy foods, you may have a different response than someone else eating the exact same amount and diet.

And, as Nicholson noted, there are metabolic game changers like exercise and gut health that can change how you're reacting to foods, so making healthy changes to those could switch up your metabolic flexibility in the long run.

The bottom line? Its worth noting how you react to different foods, and realizing that everyone is differentwhat works for other people might not work for you. Meeting with a sports dietitian to get a plan thats tailored to you could be a good first step toward eating in a way that benefits your body specifically.

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Why Every Person Reacts Differently to Diets - Bicycling

This entry was posted on July 2, 2020 at 1:45 pm and is filed under Molecular Genetics. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed. |