The other group—the control group—was put on a typical low-calorie diet with about 50 to 60 grams of protein a day.

另一组，也就是对照组，每天摄入50到60克蛋白质，其应用的是典型低卡路里饮食模式。

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Your primary care physician can give you basic guidelines for a healthy, low-calorie diet.

医师能给你提出的，大抵就是健康低卡膳食的基本指导。

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Scientists have known for a while that a low-calorie diet can increase longevity in certain animals.

科学家早就知道低卡饮食可以使部分动物长寿。

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A low-fat diet is one in which less than thirty percent of a person's daily calorie intake comes from fat.

VOA: special.2011.07.05

"I would never recommend doing a very low-calorie diet alone, " says Hernried.

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No one knows exactly why a low-calorie diet extends the life of mice, but some researchers think it is linked to the rate at which cells divide.

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The drug, which is based on a chemical found in red wine that is thought to mimic the life-prolonging effects of a very low-calorie diet, proved safe.

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