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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They and the other monkeys must be followed still longer, however, to know whether low-calorie intake can increase both average and maximum lifespans in monkeys.

然而，它们和其他猴子必须被跟踪更长的时间，以了解低卡路里摄入是否可以延长猴子的平均寿命和最长寿命。

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Unfortunately, that message has not gotten through to the average American, who would rather try switching to "light" beer and low-calorie bread than increase physical exertion.

不幸的是，在美国，那信息并没有被普通人所接受，他们宁愿选择“清淡的”啤酒和低卡面包，也不愿增加体育运动。

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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

Many companies have already started to introduce new low-calorie items and serve smaller helpings.

ECONOMIST: Food regulation in America

They packed diet-friendly frozen meals for lunch and low-calorie snacks like yogurt, carrots and apples.

CNN: Couple lose 500 pounds in two years

Of the 3, 500 drinks Coke sells worldwide, more than 800 are zero- or low-calorie.

ECONOMIST: Cola wars, continued