這是個問題。我爺爺80多歲時仍然可以一拳打在牆上，猶如鐵錘，哪有什麽骨質疏鬆？那年頭哪有什麽營養之說。

來源: 周老大於 2022-10-21 16:34:44 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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