存在著年齡關聯的數據，80歲的癌症發病率是60歲的5倍。中國的人均壽命增長很快，要接近80了

來源: needtime 於 2016-09-30 17:37:01 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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