High-risk sexual behavior can lead to the acquisition of sexually transmitted illnesses such as gonorrhea, syphilis, herpes, or HIV infection. High-risk sexual behavior is also known to spread human papilloma virus infection, which can lead to cervical cancer in women and other anogenital cancers in both men and women. High-risk sexual behaviors include the following: Multiple sex partners Sex partners with a history of the following: Intravenous drug use Venereal disease (sexually transmitted diseases or STDs) Adverse consequences of high-risk sexual behavior: Transmission of HIV and other sexually transmitted diseases (chlamydia, gonorrhea, syphilis, genital herpes) Transmission of hepatitis B (50% of hepatitis B infections are due to sexual transmission) and, in rare instances, hepatitis C Transmission of human papilloma virus (HPV), which can cause ...