The incidence of oral cancer due to a virus transmitted during oral sex has increased steeply over the last 30 years, according to research in the US. And scientists relate this trend to changes in people's sexual behaviour.
The number of tongue, mouth and throat cancers due to the sexually transmitted human papilloma virus (HPV), which can also cause cervical cancer in women, rose by about a third from 1973 to 2004, say researchers. More here....
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