But many folks find the idea of calorie restriction difficult to swallow.

但事实发现控制热量难上加难。

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Calorie restriction also appeared to slow the loss of gray matter in the brain.

限制热量摄入似乎还可以延缓大脑灰质的损失。

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Calorie restriction also appeared to slow the loss of gray matter in the brain.

限制热量摄入似乎还可以延缓大脑灰质的损失。

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