Combined effect of tobacco and alcohol on laryngeal cancer risk: a case-control study. However, for screening to succeed, a high prevalence population is needed to limit false positives, and balance the psychologic and physical harms of screening with the benefits. The risk of oral cancer is about 5 to 10 times greater among smokers compared to people who never smoked. A weak immune system can be caused by certain diseases present at birth, the acquired immunodeficiency syndrome (aids), and certain medicines (such as those given after organ transplants). Screening for oral hpv infection probably isn’t the answer, d’souza said, because the cancers are so rare. Of those, men were three times as likely to report oral cancer.
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Ottawa: canadian centre on substance abuse; 2006. Because some of them cause a type of growth called a papilloma.