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 ...

Sheffield Hallam University provides funding as a member of The Conversation UK. Testosterone is the main sex hormone in men. It’s best known for its role in the development of male sexual ...

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.

Testosterone is a male sex hormone that is important for sexual and reproductive development. The National Institutes of Health regards testosterone as the most important male hormone. Women also ...

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 ...

Testosterone is being hailed as the secret to better energy, mood, and sex drive. Here’s what experts say about when it actually does help—and when it doesn’t. Women naturally produce testosterone, a ...

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 ...

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 ...

PCOS is the most common cause of high testosterone in women, affecting about 10% worldwide. Some medications and supplements, like anabolic steroids and DHEA, can increase testosterone levels. An ...