医学英语Talk show节目第二十四期
Even 1 drink a day may raise risk of breast cancer
每日饮酒一次都可能增加乳腺癌发病机率
Drinking any type of alcohol -- beer, wine, liquor -- adds to woman's chance of getting breast cancer, study finds
研究表明，饮用任何类型含酒精饮料-啤酒，葡萄酒，白酒都会增加妇女罹患乳腺癌机率。
Previous studies have shown a link between alcohol consumption and breast cancer, but there have been conflicting messages about whether some kinds of alcohol were more dangerous than others.
近期研究表明，酒精饮用量与乳腺癌发生相关，但争议在于酒精饮料中是否有一些品种会产生相对更大的危害。
Researchers analyzed the drinking habits of 70,033 women of various races from 1978 to 1985. By 2004, 2,829 had been diagnosed with breast cancer. Klatsky and his colleagues looked at which types of alcohol the women drank and their total alcohol intake. They compared it with that of women who had less than one drink a day.
从1978到1985年，研究人员分析了不同种族的70033名妇女的饮酒习惯。截至2004年，2829名妇女被诊断出患有乳腺癌。Klatsky团队研究了这些妇女饮用的酒精饮料类型以及她们饮用的总酒精量，并与那些平均一天饮用酒精饮料次数小于一次的妇女进行比较。
They found no difference in the risk of developing breast cancer among women who drank wine, beer or liquor. Compared with light drinkers -- those who had less than one drink a day -- women who had one or two drinks a day increased their risk by 10 percent. Women who had more than three drinks a day raised their risk by 30 percent.
他们发现，饮用葡萄酒，啤酒或者白酒的妇女罹患乳腺癌的机率并没有显著的不同。与平均一天饮用酒精饮料次数少于一次的妇女比较，平均每天如饮用酒精饮料次数为一次或者两次的妇女其患乳腺癌机率增高10%，如果平均每天饮用酒精饮料次数超过三次，则患乳腺癌的机率升高30%。
It is not clear how alcohol contributes to breast cancer, but some think it raises hormone levels in the blood to levels that could cause cancer.
酒精饮料对乳腺癌的作用机制尚不明确，但有学者认为，酒精可致血液中激素水平升高并导致癌症的发生。
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