Sexually transmitted infections (STIs) are spread from one person to another during vaginal, anal, and oral sex. Learn more about STIs and STI prevention measures here.
29 November 2020 | Q&A
What is PrEP? Should I take it?
18 October 2020 | Headlines
Meeting Partners Online Linked to Risky Sexual Behaviors
09 August 2020 | Q&A
Do HPV vaccines prevent cancers and genital warts?
26 July 2020 | Q&A
What should I know about viral hepatitis and sex?
21 June 2020 | Q&A
What should I know about anal sex and HIV risk?
26 April 2020 | Q&A
What are some sex-related risk factors for oral cancer?
12 January 2020 | Q&A
Is oral sex safe for pregnant women?
25 March 2019 | Q&A
What is HPV? How is it transmitted?
03 March 2019 | Q&A
If a person hasn’t had sex in a long time, how can they prepare for a new sexual relationship?
14 November 2017 | Q&A
What causes painful orgasm in men, and how can it be treated?
10 April 2017 | Q&A
Could antibiotics after sex prevent sexually-transmitted infections (STIs)?