Does Calorie Restriction Work in Humans?
Calorie restriction (reducing the total number of calories taken in) has long been known to extend life and reduce the risk of age-related diseases in rodents and primates, but evidence in humans has been lacking. The Okinawans, a Japanese group with historically long lives, has often been proposed as evidence that calorie restriction works (because of cultural beliefs and practices about eating less). Finally, researchers have examined over 6 decades of data on the Okinawans to determine if calorie restriction plays a part in their longevity. Here’s what they found: Calorie Restriction and Okinawan Longevity Researchers examined data going back six decades on the diet composition, energy (caloric) intake, activity levels,
