▍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. ▍語言點 1. intake /ˈɪnteɪk/ n. 攝入量 2. chalk A up to B 把A歸因於B 3. metabolic /ˌmetəˈbɒlɪk/ adj. 新陳代謝的 4. dietary restriction 飲食限制 5. genetics /dʒəˈnetɪks/ n. 遺傳學，遺傳因素 6. resiliency /rɪˈzɪliəns/ n. 復原力，恢復力 · resilient adj. 有彈性的；適應性強的 7. drive home ... / drive ... home 清晰說明，使信服...... 8. intricate nature 復雜本質 搜索【友鄰優課】微信小程序，收聽晨讀即可領取： 《晨讀短文100篇電子資料》 · 關注公眾號【...