Historically, polyandry was much more common than we thought.
Men with severe erectile dysfunction -- even with no personal history of cardiovascular disease -- had 8 times the risk of heart failure.
Those who had more positive initiations into sex scored higher for sexual satisfaction and esteem later on, and reported less "sexual depression."
Talking with a 17 year-old about anti-bullying assemblies, daddy-daughter balls, and why theater.
Remember that time you didn't use a condom, and thought it was way better? You were wrong.
Unrestrained online behavior leads to real world risks.
A U.S. Congressman points out that stress affects ovulation. But it's moot in rape discussion.
The social and biological factors that affect a voice's gender
In a world of no weather, and pixel-perfect bodies, female avatars are disproportionately bare.
New super-thin mesh has the potential to be inserted into a woman's vagina to provide barely detectable contraception and HIV protection for several days.
Eroticism should be addressed in a manner consistent with the sensitivity and intimacy of its nature.
A progressive-for-its-time, illustrated guide to sex and sexuality.
From the creators of "How to Unhook a Bra With One Hand" -- which has been watched 55 million sad times
When sex means reproduction, certain proclivities may simply not be part of models of sexuality.
Those in traditional relationships are more satisfied, sexually and otherwise, and better at communicating.
45 U.S. states have made failing to disclose one's HIV status a criminal offense.
For Female Orgasmic Disorder, a 'female Viagra' has been effective in early clinical trials -- but not everyone is smiling coyly.
Women seeking a "designer vagina" are increasingly misled and misinformed.
Never break character.
With personal lidocaine spray, anesthetized genitals are just a "please excuse me for a moment" away.