Are men really getting schlumpier, or are people just finding better ways to talk about it?
A new study shows a "striking" difference in effectiveness between programs that address gender and power, and those that don't.
A new CDC report shows adoption of IUDs and implants among adolescents is on the rise, but they still lag behind condoms and the Pill.
How misperceptions about disability can prevent people with physical and cognitive impairments from being able to express their sexuality
Health organizations can find themselves held back by the policies of sites like Facebook and Twitter, which often classify their messages of safe sex as inappropriate content.
By protecting the identities of people with a history of abusive behavior, FetLife.com leaves members of the BDSM community vulnerable to harm.
The risk of infection is highest among among gay black men in their teens—but Truvada, the drug otherwise known as pre-exposure prophylaxis, is still available only for people 18 and older.
Pro-choice activists hope that getting women to talk about their experiences will boost support for the movement.
A history of the fight that got kink de-classified as mental illness
Sterilization is forbidden in Catholic doctrine—but many doctors in systems affiliated with the Church believe the restriction runs counter to their patients' best interests.
What Delaware, where a surprisingly high number of women get pregnant by accident, can teach the rest of the nation
Some argue that a female sexual-dysfunction drug is a matter of equality among the sexes. Others say it creates a medical problem where none exists.
In 2012, the state reclassified sex workers as trafficking victims rather than criminals—but a report says the new language hasn't altered the way they're treated by police.
Tired of condoms and the Pill, many women are turning to new apps that help them practice one of the oldest forms of contraception.
The town of Hogeway, outside Amsterdam, is a Truman Show-style nursing home.
But there's a difference between imagining something and wanting to act on it, a new study says.
Studies have shown that improved access to birth control can be a valuable tool in slowing global warming, but many politicians are afraid to broach the subject.
It's natural for humans to pay attention to all their romantic options, and new research shows Facebook helps them do that.
Earlier this month, Oregon became the first in the country to offer puberty-suppressing drugs to transgender teens on its Medicaid plan.
Anticipating the challenges the pill would face, the biologist heading the project chose for his partner a doctor who was well-liked, good-looking, and, most importantly, Catholic.