Welcome to Testosterone HQ—Men's Health's guide to the exciting, complicated, and revolutionary world of testosterone. For everything you need to know about T, click here. While research is mixed on ...

This article was reviewed by Darragh O’Carroll, MD. Key Takeaways: Testosterone’s reputation for causing anger and aggression ...

Higher testosterone levels during adolescence are associated with increased involvement of the brain’s anterior prefrontal cortex (aPFC) in emotion control, but the opposite effect occurs during ...

Contrary to popular belief, having higher levels of testosterone doesn't necessarily make men have a higher libido. Day-to-day changes in testosterone levels were discovered to have no real link to ...

Testosterone is being sold as the missing hormone for midlife women. Except there's no FDA-approved female dose, so sourcing and dosing has become the Wild West. How did we get here, and what comes ...