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.
Gatherings emphasize consent and respect for boundaries as much as exploration.
For milestones like moving in together, intent (rather than chronology) determines success.
Pheromone parties say daters can find their match from the smell of a t-shirt, but the science is a little more complicated.
A new study finds that pills with a high level of estrogen increase breast-cancer risk significantly. But that still might not mean you should change your prescription.
Despite its success in developing countries, the female condom has long suffered from a PR problem in the U.S. What would it take to salvage its image?
A sexologist helps people with dwarfism overcome their bodies' obstacles to sex and intimacy.
For many people living with this common disease, the most debilitating symptoms are shame and isolation.
Demetre Daskalakis is an infectious disease physician who hung up his lab coat to bring HIV screening and counseling to Manhattan’s gay nightlife.
A new study looks at the evolutionary psychology behind ideas of sexual morality.
The United Nations announced today that the global HIV/AIDS epidemic could be slowed to a trickle within the next two decades. Can it be done?
Democrats have introduced bills to undo the Supreme Court's ruling on religious exemptions for contraception coverage, as well as state laws that single out abortion services, but the legislation isn't expected to succeed.
Similarity and companionship are the currency of attraction, for better or worse.
Even as apps and websites have taken over, some prefer an analog courtship ritual
So-called "safe harbor" laws may help, but they overlook the vast number of teen runaways who use their bodies as their only form of currency.
Recent studies show that musical ability might be a sexually selected trait.
A long time ago, beds were expensive—but there's more to it than that.