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 is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

Testosterone is the major androgenic (male) hormone and one of the most common doping agents. Athletes who participate in strength and power-based sports, including bodybuilding, athletics, wrestling ...

In a multicenter, randomized, double-blind, placebo-controlled, noninferiority trial, we enrolled 5246 men 45 to 80 years of age who had preexisting or a high risk of cardiovascular disease and who ...

In men, marked hypogonadism due to pituitary or testicular disease generally has readily recognizable clinical manifestations, such as decreases in libido and sexual activity, loss of secondary sex ...

Testosterone’s primary functions are sexual desire and function. However, low testosterone may also impact cognition, leading to symptoms like brain fog. Researchers are finding that testosterone ...

Testosterone is the main sex hormone in men. It’s best known for its role in the development of male sexual characteristics and physical features, but there are also many surprising and lesser known ...