Although it also performs some functions in men, estrogen, the main female sex hormone, is involved in a myriad of processes, ...

Overview More than 50 hormones have been identified in the human body, and each has a unique function. Your hormones are ...

At the same table, with the same drinks, women often get drunk faster than men — and alcohol can affect women's brains differently, making its effects stronger, sometimes more rewarding. But also more ...

The 29-year-old woman who created the “MyBoyfriendIsAI” community on Reddit isn’t dating (or sexting) her A.I. boyfriend ...

Ejaculating within 48 hours of providing a sperm sample for IVF seems to lead to greater success rates than abstaining from ...

Disruptions to our circadian clocks—the internal molecular timekeepers "ticking" in nearly every cell of our body throughout ...

A small group of volunteers will receive multiple injections of the experimental treatments next month, says Unlimited Bio.