Eat right. Live longer.
By Paul Arnold,
Medical Xpress
Edited by Lisa Lock, reviewed
by Robert Egan
The old saying "you are what you eat" suggests that our food choices determine our health and longevity. Now, a study published in the journal Science Advances has put some specifics on it by estimating how many extra years can be gained through a healthy diet.
To crunch the numbers, Yanling Lv at Huazhong University of
Science and Technology in China, along with her colleagues, analyzed data from
more than 100,000 UK Biobank participants. This is a large-scale database
containing in-depth genetic and health information from half a million
volunteers. They tracked the study's subjects for just over 10 years by giving
them regular surveys asking what they had consumed during the previous 24
hours.
Five best diets
The team gave each participant a score based on how closely
their meals matched five validated
healthy diets: a Mediterranean diet (rich in healthy fats, fish, and
vegetables), the Diabetes Risk Reduction Diet (high-fiber and low-sugar foods),
the DASH (dietary approaches to stop hypertension) Diet, a plant-based diet,
and the AHEI (Alternative Healthy Eating Index). Additionally, the researchers
scored participants' DNA for 19 genetic
variants associated with longevity.
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