Calorie Restriction May Not Extend Life In a 23-year study, scientists found that significantly cutting calories didn’t extend the lives of rhesus monkeys. The result differs from previous work that linked calorie restriction to longer life in primates.
Calorie Restriction Does Not Affect Survival: Study Of Monkeys Also Suggests Some Health Benefits
Scientists have found that calorie restriction -- a diet composed of approximately 30 percent fewer calories but with the same nutrients of a standard diet -- does not extend years of life or reduce age-related deaths in a 23-year study of rhesus monkeys. However, calorie restriction did extend certain aspects of health.
Studies have shown that intermittent fasting is just as effective for fat loss as typical calorie restriction, and may be even better than calorie restriction when it comes to maintaining muscle during dieting.
Senate Health Bill Gets a Wary Reception, From Coast to Coast
Canto, 27, on a restricted diet, and Owen, 29, a control subject at the Wisconsin National Primate Research Center in 2009. Wisconsin’s study concluded that calorie restriction lengthened life, but a later study suggested the opposite. After two studies of low-calorie diets among monkeys reached opposing conclusions, one team has struck back, asserting that the other study was in error because its control group was also fed a lean diet.