While some claim that timing your workouts with certain phases of your menstrual cycle can boost muscle growth, a new study ...

The opioid epidemic has claimed more than half a million lives in the U.S. since 1999, about three-quarters of them men, ...

Since 1999, the American opioid epidemic has killed more than half a million people, and the staggering majority have been ...

Dominick Dunlap began taking female hormones at age 26 after just one visit to a gender clinic to have a “more feminine ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

In a new study, researchers produced nanomaterials that could be used in developing more accurate sensors for healthcare in the future. For example, the levels of female hormones are so low that very ...

You get them because levels of estrogen and progesterone drop just before your period begins. Hormonal headaches are tied to higher levels of female hormones. Before puberty, boys get more ...