Andrew Nusca's Sept. 25 post has researchers positing that Neanderthals and early primates with long ring fingers may have chased skirts more than their fellow cavemen with shorter ring fingers. The ...

While taking testosterone-based HRT, your doctor will monitor your bloodwork for signs of polycythemia. If found, several treatment options are available. Testosterone is responsible for many body ...

You likely know of the testosterone hormone for its role in sexual desire or growing facial hair, but this key chemical performs many other important functions, such as signaling blood cell production ...