"Rhesus monkeys, 27 (left), on a restricted diet, and Owen, 29, on an unrestricted one, are among the oldest surviving subjects of the two-decade study." (Jeff Miller/University of Wisconsin – Madison)

By Carolyn Y. Johnson
Globe Staff / July 10, 2009

"Wisconsin researchers reported yesterday that rhesus monkeys on a low-calorie diet live longer and healthier lives, a finding two decades in the making that suggests such diets might slow aging in people, too."

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