Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, ...

When animals rise in social status, their testosterone levels increase as well. This change produces the increased confidence that accrues to social status as well as increased aggression. Some ...

A large trial reveals that boosting testosterone does not influence men's economic preferences, challenging previous studies ...

Despite drug's health risks, users laud improved looks and energy boost. Sept. 18, 2012 — -- From world-class sporting scandals in baseball and on the track, performance-enhancing drugs seem to ...

This article was reviewed by Kelly Brown MD, MBA. Like other medications that affect your hormones, taking testosterone comes ...