Many people tout the benefits of a calorie restriction diet, but Dr. Oz says there are some risks.

很多人都大力褒扬限制卡路里饮食的好处，但欧思医生指出这其中还是有些风险的。

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For the past 15 years, Paul and his wife, Meredith, have been following a calorie restriction diet.

保罗和他的妻子梅雷迪思在过去的15年里一直按照限量摄入卡路里的概念来安排饮食。

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Lenny Guarente: In mammals, which includes us, what we think is the case, is that calorie restriction - a low calorie diet - triggers anti-aging genes better called sirtuins.

哺乳动物包括我们，在这个问题上，我们认为是卡路里的限制作用-一份低能量食物-触发抗衰老基因，可以称之为“sirtuins”（是一种抗衰老酶）。

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After six months, the non-diet group had lost an average of 1% of their weight, the calorie restriction group, 10.4%, those who were on a calorie restricted diet plus exercise, 10% and the very low-calorie diet, 13.9%.

BBC: NEWS | Health | Low-cal diet 'long-life benefits'

But the benefits of calorie restriction require that mice live on a restricted diet for most of their lives.

FORBES: Magazine Article