Word: pharynx
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Dates: during 2000-2009
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ORAL ALERT The same nasty human papillomavirus that scientists know causes cervical cancer may be linked to even more types of malignancies. Norwegian scientists report the best evidence yet that HPV-16, a strain of the virus, doubles the risk of larynx, pharynx and tonsil cancers. The explanation is not so farfetched: HPV-16 can transform normal cells in the mucous membranes--like those lining both the cervix and oral cavity--into cancerous squamous cells. How does HPV get to the mouth in the first place? The most likely pathway is oral...