Medically reviewed by Danielle Weiss, MD PCOS is the most common cause of high testosterone in women, affecting about 10% ...

New U.S. dietary guidelines for the first time include advice for men on maintaining healthy testosterone levels.

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes ...

It checks the level of testosterone in your blood. Your doctor uses it to diagnose conditions caused by too much or too little testosterone. That’s a hormone produced in a man’s testes. Women make ...

Everyone's talking about testosterone lately, but do we really know what it is? It's a hormone produced primarily in the ...