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 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 ...

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 ...