Cell Metabolism
Volume 8, Issue 2, 6 August 2008, Pages 99-104
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Diet and Aging

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Interventions that extend life span by moderately reduced nutrient intake are often referred to as dietary or calorie restriction. Its efficacy in many species has led to the conclusion that a single, evolutionarily conserved, molecular mechanism operates in all cases to extend life. Here we discuss examples of diet/genotype interactions that show a more complex mechanistic view is required and that mild dietary modifications can dramatically change the interpretation of model organism aging studies.

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