In an era of HIV and chastity rings, teenagers and young adults roughly 75% of them have turned to oral sex as a less risky option. But its not safe sex. And while it wont get you pregnant, it can still get you into big trouble. For the first time ever, researchers at Johns Hopkins University have established a link between oral sex, the human papillomavirus (the same virus that causes cervical cancer) and throat cancer. That adds to a roster of risks already tied to oral sex: herpes, syphilis, gonorrhea, and HIV