Can Oral Sex Increase Risk of Cancer?

Oral sex can be an enjoyable, healthy part of an adult relationship. But there are some things that many people don't know about oral sex. Here are four facts that might surprise you. 1. Oral sex is linked to throat cancer. Cancer? Yes, you can get throat cancer from oral sex, says American Cancer Society Chief Medical Officer Otis Brawley, MD. It's not oral sex, per se, that causes cancer, but the human papillomavirus (HPV), which can be passed from person to person during sex, including oral sex.