忘了哪里看到了，有个实验，把老人分2组，一组喝牛奶，一组不喝，喝比不喝活得长

来源: hz82000 于 2017-01-27 17:14:43 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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