An ongoing study at the University of Wisconsin-Madison in which rhesus monkeys are being fed an extremely calorie-restricted diet gives preliminary evidence that the regime prevents age-related diseases. For decades, scientists have known that a diet of about 30-percent fewer calories than normal extends the lifespan of mice by 10 to 20 percent, reduces their incidence of cancer, and prevents the deterioration of learning and memory in the rodents. And similar effects have been shown in lower organisms from yeast to fruit flies. But such life extension has not been proven yet in primates. Preliminary evidence from one of the largest studies of calorie-restricted diet in primates shows health benefits.
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Biosingularity 