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【真相】3类牙膏被列入“黑名单”,长期用或有致癌风险?
含三氯生的牙膏,比如市面上常见的抗菌、防蛀等牙膏大多含有此成分,根据研究发现,三氯生是有一定致癌风险,在动物实验中还可以观察到三氯生对结肠炎症和相关结肠肿瘤的不利影响;加上三氯生如果喝含氯的自来水反应后,可能会产生氯仿,增加肝癌风致病风险。
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