Change your Diet, Extend your Life

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Change your diet, extend your life

  • Dr. Morgan Levine discusses the profound link between diet and aging, leaning on observational data that compares different people’s diets with their health outcomes like disease risk and life expectancy.
  • Three key factors in diet affect aging: how much we eat, what we eat, and when we eat. Caloric restriction—cutting down about 20% of total calorie intake—has been shown in various animal models to potentially extend life.
  • The types of food we eat also matter; there’s growing evidence that plant-based diets and whole foods can positively impact aging. Minimizing harmful foods like refined sugars is also advised.
  • A rising trend in longevity research focuses on when we eat, suggesting that intermittent fasting can mimic the benefits seen with caloric restriction. This all seems to activate ‘hormesis,’ a mild stressor that makes our bodies more resilient over time.
  • The “one-size-fits-all” approach doesn’t apply; people’s unique biological and functional factors need to be considered for optimizing diet. The importance of lifestyle and behaviors in the aging process shouldn’t be underestimated.

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