研究发现：少吃会让人更长寿！但原因并非你所想的…（朗读版）｜E1021

▍原文
Cutting calorie intake can lead to a longer life, an effect often chalked up to weight loss and metabolic changes. Now, one of the biggest studies of dietary restrictions challenges the conventional wisdom.

The study found that other factors than weight loss — including genetics and physiological indicators of resiliency — seem to better explain the link between cutting calories and increased lifespan.

The results drive home the intricate nature of the body’s reaction to caloric restriction.

▍语言点
1. intake /ˈɪnteɪk/ n. 摄入量
2. chalk A up to B 把A归因于B
3. metabolic /ˌmetəˈbɒlɪk/ adj. 新陈代谢的
4. dietary restriction 饮食限制
5. genetics /dʒəˈnetɪks/ n. 遗传学，遗传因素
6. resiliency /rɪˈzɪliəns/ n. 复原力，恢复力
· resilient adj. 有弹性的；适应性强的
7. drive home ... / drive ... home 清晰说明，使信服......
8. intricate nature 复杂本质

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