新华社北京2月6日电瑞典研究人员在新一期《美国医学会杂志·内科》上报告,长期服用维生素C片可能增加罹患肾结石的风险。瑞典卡罗林斯卡医学院的研究人员对瑞典2.3万名此前从未患过肾结石的男性进行11年跟踪调查,结果发现,长期服用维生素C补充剂的男性患肾结石的概率是未服用者的1.89倍,其中每日服用至少1片维C补充剂的男性患病风险更高。研究人员说,瑞典维生素C的推荐摄入量为每日75毫克,而通常每片维生素C补充剂中 Xinhua News Agency, Beijing, February 6 The Swedish researchers reported in the new issue of the Journal of the American Medical Association, that the long-term use of Vitamin C tablets may increase the risk of kidney stones. Researchers at the Karolinska Institute in Sweden conducted an 11-year follow-up survey of 23,000 Swedish men who had never had kidney stones before and found no male kidney stones were taken on a long-term basis by vitamin C supplements Who were 1.89 times more likely to have men who took at least one vitamin C supplement daily. The researchers said the Swedish vitamin C recommended intake of 75 mg daily, and usually per vitamin C supplement