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陽光能抗癌嗎？（通訊員稿）
[ 2006-12-11 16:39 ]
我們都知道強烈的陽光輻射會導致癌癥，殊不知陽光也是抗癌的自然藥物。下面我們就來看看它是如何抗癌的。
 Although too much exposure to the sun's ultraviolet rays can cause skin cancer, sunshine may have protective effect against some cancers, a U.S. scientist said in April. He said vitamin D, the so -called sunshine vitamin can help to slow down the speed at which cancer cells divide. It is abundant in cod liver oil, fortified milk and dairying products, and some fatty fish. The study found inverse associations between both residential and occupational exposure to sunlight and mortality from female breast and colon cancers.
Scientists found the more deaths from skin cancer in sunnier states but the number of people who died from the other cancers was lower in sunshine area. Working outdoors in a sunny climate was also associated with fewer breast and colon cancer deaths but not with the other cancers.
（來源：《英語沙龍》北京林業大學通訊員邢元媛供稿 英語點津Annabel 編輯）
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