Ohio — In a new report released by Ohio State University, oral sex has become the leading cause of increased cancer rates in the U.S.
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Researchers found a 225 percent increase since 1974 in oral cancer cases stemming from the human papilloma virus.
There are almost 150 types of HPV and about 40 of them can be sexually transmitted. HPV infections often go undetected and are the main cause of cervical cancer in women.
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