Okay, I didn't make that up. Here's the article: https://www.yahoo.com/entertainment/oral-sex-leading-factor-throat-184441042.html
"Those with six or more lifetime oral-sex partners are 8.5 times more likely to develop oropharyngeal cancer than those who do not practice oral sex."
The Centers for Disease Control and Prevention states that 70% of oropharyngeal cancers in the United States are caused by HPV, or human papillomavirus.
HPV is the most common sexually transmitted infection, with 3 million new cases in the U.S. each year. Many people will live their lives without ever knowing that they have HPV, but for some, it can develop into cancer