Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

While some studies suggest low dose testosterone can be helpful for women, especially during menopause, more research is needed to determine its safety and effectiveness. In females, testosterone is ...

Demand for the hormone is surging, and not just to treat libido. Here’s what we know about its benefits, and potential risks. By Danielle Friedman Five years ago, when Dr. Risa Kagan offered ...