Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement ...

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 ...

What used to be a niche treatment for men with legitimate medical conditions has morphed into "youth and vigor" as a ...

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 ...

Testosterone tests measure levels of testosterone in the blood. At-home test kits can be convenient, but they cannot diagnose underlying health conditions that cause high or low testosterone. Share on ...

Testosterone boosters are over-the-counter supplements that claim to raise levels of the hormone in the body and reduce symptoms of low testosterone. However, there is not enough evidence to confirm ...

Testosterone levels are at their highest during adolescence and early adulthood. Testosterone levels may start to decline after age 30 years in males and between ages 45 and 55 years in females.

If you have low testosterone, it could affect your sex drive. But low testosterone might not be the only reason to blame if you have no libido. iStock/Getty Images You have low testosterone when your ...