Anal Sex
Unprotected anal penetration is a high risk activity, regardless of sexual orientation. Anal sex is a higher risk activity than vaginal intercourse because the thin tissues of the anus and rectum can be easily damaged. Slight injuries can allow the passage of bacteria and viruses, including HIV. This includes by the use of anal toys. Condoms may be more likely to break during anal sex than during vaginal sex, increasing the risk.
Anal sex is practiced by many heterosexuals, as well as homosexual couples. The anal area has many erotic nerve endings in both men and women. Because of this, many couples (heterosexual or homosexual) can derive pleasure from some form of 'bottom stimulation'. Safety measures are required also when anal sex occurs between heterosexual partners. Apart from the STI transmission risks, other risks such as infection are high regarding anal intercourse. The main risks which individuals are exposed to when performing anal sex are the transmission of HIV, Hepatitis C and A and Escherichia coli and HPV.
Some researchers suggest that although gay men are more likely to engage in anal sex, heterosexual couples are more likely not to use condoms when doing so. Other researchers state that gay men are not necessarily more likely to engage in anal sex than heterosexual couples.
Read more about this topic: Safe Sex