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有此一說! 歐洲人白了五千年

 
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hellochenny
滅絕人性灌水教育部~宇宙無敵灌水部長!!
滅絕人性灌水教育部~宇宙無敵灌水部長!!


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Posts: 4763

PostPosted: Tue Sep 01, 2009 8:56 pm    Post subject: 有此一說! 歐洲人白了五千年 Reply with quote

有此一說! 歐洲人白了五千年
更新日期:2009/08/31 19:35
瑞典研究人員說,五千五百年前,歐洲人開始進入農業社會,飲食改變,為了增加維生素D的攝取量,皮膚越變越白。所以,白人的歷史也就只有五千五百年。


人類需要維生素D。維生素D的主要來源是陽光和食物。以往皮膚由黑變白的理論是,人類從陽光普照的非洲移出,進入很少見到太陽的歐洲。黑皮膚會阻擋陽光進入體內,為了有效的吸收維生素D,只好把自己的皮膚變白。


奧斯陸大學研究人員進一步指出,從狩獵社會,進入農業社會以後,主食改變。耕作得來的食物比較缺少維生素D,人類更需要從陽光中取得維生素D,所以,在進化的情況下,皮膚就一天一天的白了起來。
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Prince
滅絕人性灌水教育部~宇宙無敵灌水部長!!
滅絕人性灌水教育部~宇宙無敵灌水部長!!


Joined: 17 Sep 2007
Posts: 4750
Location: Richmond

PostPosted: Wed Sep 09, 2009 11:00 am    Post subject: Reply with quote

好...不可思議XD

原來白人是這樣來的...

那可見黃種人還需要一點時間~!

那黑人... ...
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