Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person’s anus, or anus and rectum, for sexual pleasure. Other forms of anal sex include fingering, the use of sex toys for anal penetration, oral sex …

We randomly assigned 2499 HIV-seronegative men or transgender women who have sex with men to receive a combination of two oral antiretroviral drugs, emtricitabine and tenofovir disoproxil fumarate (FTC–TDF), or placebo once daily. All subjects received HIV testing, risk-reduction counseling

When you’re in the mood, it’s a sure bet that the last thing on your mind is boosting your immune system or maintaining a healthy weight. Yet good sex offers those health benefits and more.

Sex Drive: How Do Men and Women Compare? Experts say men score higher in libido, while women’s sex drive is more “fluid.”

Nevertheless, Seibert urges educators in public colleges not to accept normalizing same-sex marriage, which will trickle down to “teenage relationships,” and …

One of the basic properties of life is reproduction, the capacity to generate new individuals, and sex is an aspect of this process. Life has evolved from simple stages to more complex ones, and so have the reproduction mechanisms.

A , beautiful Maya Angelou with Langston Hughes, not long after her career as a sex worker—guess she didn’t think his joke was that funny?

What happens to a country when its people stop having sex? Japan is finding out… Abigail Haworth investigates

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