Sex hormone makes men more aggressive, but also conscious of their image. Oct. 17, 2012 — -- Testosterone, the bad boy among sex hormones, has a sweet side. Researchers in Germany report they ...

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 ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. We often point to testosterone to explain the traits that make men “manly”: ...

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 levels could affect your musical choice, new research finds, and those with more testosterone in their bodies may be more into rock music. The research suggests that your biology has a ...