text_1: 脂肪 减少 与 寿命 延长 之间 呈 负相关 29 , 研究 提示 受到 如此 严格 的 热量 摄入 限制 之后 , 寿命 缩短 的 动物 的 脂肪 有 较 大幅 减少 , 并且 较 快 转变成 饥饿 状态 , 而 寿命 延长 的 动物 则 脂肪 减少 幅度 最小 .
  
text_2: there was an inverse relationship between adiposity reduction and life span29 suggesting that animals with a shortened life span had a greater reduction in adiposity and transitioned more rapidly to starvation when subjected to such severe caloric restriction , whereas animals with an extended life span had the least reduction in fat .
  