Thiếu vitamins và người dùng rượu
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Heavy drinking is known to cause folic acid de – ciency. And even moderate drinking—no more than one drink per day for women and two for men—may
pose a problem. Women in the Nurses’ Health Study who drank moderate amounts of alcohol and took in little folic acid had a higher risk for breast cancer than their counterparts who took multivitamins contain- ing folic acid. is combination—drinking alcohol and having low levels of folic acid—has been linked to colon cancer, too. Experts advise even moder- ate consumers of alcohol to step up their folic acid intake, for example by taking a regular multivitamin that contains folate.
Heavy drinking can contribute to de ciencies of other micronutrients, too, including vitamin A, thia- min, vitamin D, magnesium, calcium, and potassium.
It may also increase the need for niacin, vitamin C, and sometimes zinc. Tissue studies on people who are dependent on alcohol have noted lower concentra- tions of the antioxidants beta carotene, vitamins C and E, and selenium as well.