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 Likeasaurus Needed Thank You All | | Oral sex may increase risk of throat cancer: study |
| created @ 05/15/2007 09:57 am |
| mum expired. [EVERYONE] |
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CHICAGO (AFP) - A common virus, believed to be transmitted during oral sex, is the cause of a rare throat cancer in both men and women, US researchers said Wednesday.
The study is the first to prove the link between the human papillomavirus or HPV -- the leading cause of cervical cancer -- and oropharyngeal cancer, according to the paper published in the New England Journal of Medicine.
Researchers at Johns Hopkins University, Maryland, who studied 100 men and women newly diagnosed with the rare malignancy and 200 healthy people found that a common strain of HPV -- HPV 16 -- was present in 72 percent of tumours.
Patients whose blood or saliva samples indicated that they had prior HPV infection were 32 times more likely to develop oropharnygeal cancer, which affects the throat, tonsils and back of the tongue.
And those people who had had more than six oral sex partners were 8.6 times more likely to develop the HPV-linked cancer.
The figures establish HPV infection as the greatest risk factor for this type of cancer, overturning previous theories blaming a pack-a-day smoking habit for 20 years, or regular heavy alcohol consumption over 15 years.
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