1.   Anal sex and promiscuity sped the virus through them.

2.   Anal sex puts people at risk for this uncommon cancer.

3.   Anal sex has a higher associated risk, and oral sex a lower one.

4.   Anal sex can be particularly risky for young women.

5.   Because about half of those in the study said they engaged in unprotected anal sex, another goal will be to develop new and more effective prevention messages.

6.   But it fits men, as well, according to the Health Department, and can block HIV from being transmitted through receptive anal sex.

7.   Close to half of those infected reported having unprotected anal sex in the past six months.

8.   Fifteen percent of gay men responding to a Seattle phone survey reported unprotected anal sex, the riskiest form of sexual activity, in the prior month.

9.   He still says condoms are best, but lately he adds that if they insist on going without, oral sex is safer than anal sex.

10.   Is anal sex?