Two-thirds of cancerous tumors in the middle pharynx are caused by HPV, which comes to the throat as a result of oral sex, researchers say.
Cigarette smoking will cause many forms of cancer.

This is definitely known, of course, when it comes to cigarettes, but scientists now report that this is actually the case with oral sex. Based on a study by the conducted by scientists from the University of Ohio State, even 64% of cases of cancer of the pharynx secondary cause human papilloma virus (HPV), which so far comes almost exclusively oral sex.