年轻时爱锻炼吗？锻炼有利于高骨量的储备，就是说年轻时爱运动的，年老时不易得骨质疏松。

来源: lawattaction 于 2022-11-19 18:45:53 [旧帖] [给我悄悄话] 本文已被阅读：次

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