In a subanalysis, researchers discovered that testosterone deficiency was common in men with a sustained virologic response after being treated for hepatitis C. In men with active hepatitis C virus ...

Testosterone is the male sex hormone. As men get older, their bodies produce less of it. Starting in middle age, it often drops below levels that doctors consider normal. Low testosterone-- also known ...

A recent episode of the hit Hulu comedy "Only Murders in the Building" highlights a hormone therapy that many men request as they get older. Steve Martin’s character, Charles-Haden Savage — a ...

Testosterone is an important hormone in both men and women. It's the key male sex hormone, but in addition to regulating fertility, testosterone also affects muscle mass, body fat distribution and red ...

The testicles and ovaries produce testosterone. Producing too little or too much testosterone can affect your physical and mental health. Testosterone is a hormone found in humans, as well as in other ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. If you're a man of a certain age ...