Study: Monkeys Fed Calorie-Restricted Diet Live Longer, Have Less Disease and Fewer Signs of AgingBy
Bill Hendrick
WebMD Health News
Reviewed By
Louise Chang, MD
July 9, 2009 — Reducing calorie intake slows aging and significantly delays the onset of age-related problems such as cardiovascular disease, cancer, and brain atrophy in monkeys, a new study says.
It’s likely that reducing caloric intake would have the same positive effects in people, researchers report in the journal Science.
During the 20-year study, 50% of the monkeys allowed to eat freely have survived, while 80% that ate the same foods but with 30% fewer calories remain alive, University of Wisconsin-Madison scientists say.

“This is the largest and most highly controlled study showing the beneficial effects of calorie restriction on disease and survival in a primate species,” study author Ricki J. Colman, PhD, of the Wisconsin National Primate Research Center, tells WebMD. “We believe that what works in primates will work in humans because primates are so closely related to humans. This has allowed us to understand the mechanisms of the aging process.”
The message for all human adults, and especially for younger people, is to reduce caloric intake permanently and you’ll likely “experience the same benefits,” Colman tells WebMD.

Calorie-Restricted Diet Increases Survival

The research started with 30 rhesus macaques in 1989 to chart the health effects of a calorie-restricted diet and expanded in 1994 with the addition of 46 more.
All of the animals were enrolled as adults, at ages from 7 to 14. The researchers write that of the original 76 animals in the study, 37% of the control monkeys died of age-related …
Read the whole story on Medicine Net.

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