Eat Less，Age Less 少食更長壽？

Dramatically cutting the calories you consume may extend your life, and now we have an idea why. After more than a year on a calorie-restricted diet, resting metabolism seems to change.

（有研究表明）削減卡路里攝入可能會延長壽命，（究其原因）我們提出了一個合理的解釋——經過一年以上低卡路里飲食，（人體的）靜息代謝產生了變化。

Calorie restriction has been shown to extend the lifespan of flies, mice and even monkeys. Such findings have prompted some people to choose to eat between about 15% and 18% fewer calories than the daily recommended limit, in the hope they will live longer. There is some evidence that such people have better blood cholesterol and glucose levels.

低卡路里飲食已被證明可以延長蒼蠅、小白鼠甚至猴子的生命周期。這些發現促使一些人選擇比推薦卡路里攝入量少15%-18%的飲食，藉此希望可以活得更久。一些證據表明，這類人有更優的血液膽固醇和血糖水平。

Those eating fewer calories burned 10% less energy–their metabolic rate–during sleep, and lower night-time body temperatures. Blood samples revealed a 20% drop in damage to cells caused by the by-products of metabolism, known as cellular oxidative stress, which is thought to be a hallmark of aging.

那些攝入較少卡路里的人，在睡眠中少燃燒了10%的能量，並且具有較低的夜間體溫。通過對這些人的血液樣本分析，我們發現由代謝副產物造成的細胞損害——稱為細胞氧化應激，被認為是衰老的標誌——降低了20%。

Even if caloric restriction is found to extend human lives, it isn』t for everyone.

雖然低卡路里飲食被發現可以延長人類壽命，但並非每個人都適合（這種飲食方式）。

英文來自New Scientist

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