Calorie restriction, longevity, and health

Previous studies on caloric restriction in animal models like mice and nematodes found that the reduction in consumption lead to an increase in longevity.  Thus far, the impacts of such dietary restrictions in primate species have been mixed, with at least one major study finding no such association between life span and calorie restriction and another concluding that the restriction did in fact add years.

While longevity is still being debated, these studies are finding that the animals “health span”, or the number of years they live before showing signs of age-related disease, is extended among primates living on calorie restricted diets.  To learn more about the concept of a “health span”, as well as specific findings related to health outcomes such as cancer and heart disease among the study cohorts, please visit: http://news.sciencemag.org/sciencenow/2012/08/caloric-restriction-in-monkeys.html.

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