[新聞] 長期吃全素 腦萎縮風險高
作者: hvariables (卡爾) 看板: Gossiping
標題: [新聞] 長期吃全素 腦萎縮風險高
時間: Tue Sep 16 20:02:36 2008
http://udn.com/NEWS/WORLD/WOR4/4519107.shtml
長期吃全素 腦萎縮風險高
【聯合報╱編譯夏嘉玲/報導】 2008.09.16 04:39 am
研究人員發現,長期吃全素可能傷害腦部。全素食者因為完全不吃肉類,攝取的維他命較
少,腦萎縮風險高達葷食者6倍。
印度時報報導,英國牛津大學以107名61到87歲的志願者進行研究,比較這些老人5年間的
記憶測驗、體檢和腦部掃描變化,發現維他命B12攝取最少者,腦萎縮風險最高,結論與
先前維他命B12不足和腦萎縮有關的研究結果相符。
肉類是維他命最佳來源,尤其是肝臟、奶和魚類,完全不吃肉或少吃肉者容易維他命攝取
不足。維他命B12不足容易貧血、罹患神經炎,酵母是維他命B12的少數植物性來源之一,
可適度補充。
此外,飲酒、過重或肥胖也可能導致腦萎縮。一篇發表在醫學期刊「酒精與酗酒」 (
Alcohol and Alcoholism)的論文指出,一星期喝酒至少14次者,腦部比滴酒不沾者小
1.6%,喝葡萄酒傷害更甚啤酒,尤其損傷主管記憶、方向感和空間感的大腦海馬區。
【2008/09/16 聯合報】@ http://udn.com/
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