To some aging researchers, the secret to longevity is simple: eat less. Decades of research have shown that moderately restricting calories, without any other intervention, increases healthy lifespan in flies, worms, and mice. Yet bring up caloric restriction, or “CR,” in humans at any longevity forum, and you’ll trigger a furious debate between die-hard proponents … Continue reading First Controlled Human Trial Shows Cutting Calories Improves Health, Longevity