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Monkeys on diets are healthier, but their longevity is still up for debate

Putting monkeys on a diet delays the health problems of old age, new science says. But whether it makes them live longer is still open for debate. These findings in our close evolutionary relatives could help us better understand our own aging process — and how to slow it down. What’s more, these latest conclusions begin to resolve a scientific debate that has been unfolding (amicably, the scientists say) over the past three decades.