Demand for the hormone is surging, and not just to treat libido. Here’s what we know about its benefits, and potential risks.

Testosterone cannot be viewed as a clear-cut answer for women with HSDD; long-term side effects and risk for breast cancer remain uncertain. Hypoactive sexual desire disorder (HSDD) is common in ...

But while synthetic testosterone might improve ... a role in the function of all of our organs. Both men and women produce testosterone, though men's bodies have about 15 times more circulating ...