Good hygiene may be to blame for soaring AD in the West accordin

來源: 十具 於 2019-02-11 20:56:51 [] [舊帖] [給我悄悄話] 本文已被閱讀： 次 (272 bytes)
回答: 對老年癡呆比較悲觀 由 dudaan 於 2019-02-10 12:01:54

Lack of exposure to germs, viruses and parasites harms the immune system - to rising rates of AD in richer nations.  不懂就是不懂，好吧

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