Early puberty in girls is accelerating, with first periods arriving nearly a year sooner than a generation ago. The post ...

They discovered that testosterone, a hormone traditionally associated primarily with male development, plays a dominant, ...

Estrogen levels naturally fluctuate throughout your life. Here’s how to tell if your estrogen levels are normal for your age, and when to consult a doctor.

The great thing about the genre is that the umbrella is so wide that thrillers can range from horror to sci-fi. No matter ...

The Bachelorette alum Joe Amabile—who married his Bachelor in Paradise costar Serena Pitt in 2022—said doctors found a ...

Why do men have an Adam's apple? A biologist explains the puberty hormone surge behind it, the sexual-selection theory and ...

Reproductive biology, human behavior, and economic incentives explain many of the disparities attributed to systemic ...

In honor of Pride Month, find out how stars like Robert De Niro, Liev Schreiber, Jamie Lee Curtis and more have supported ...

This bizarre slang term and meme is being gatekept by many, but does it really mean anything, or is it just nonsense? Let's explain.

Children are equipped with innate curiosity, and often bring questions about sex and death to therapy to be made sense of.

The PCUSA, the largest Presbyterian denomination in the U S , has passed a measure expressing support for body-deforming ...

The Trump administration is abandoning its most aggressive attempt to end gender-affirming care for youth nationally, according to an official document obtained by NPR. The proposed rule: The document ...