WHEN it comes to food, moderation may be the best strategy. Calorie-restricted diets have long been thought to extend lifespan, but no one could find a reason why. Now Janko Nikolich-Zugich of Oregon Health and Science University in Portland and his colleagues have discovered that the immune systems of older primates on a restricted diet are “younger” and function better than those of their peers on a normal diet.
“The immune systems of adult primates on calorie-restricted diets are ‘younger’ than those of their peers on a normal diet”
Previous studies on the effects of caloric restriction in humans and…
