A new and extensive study challenges the widely held belief that the hormone testosterone influences men’s economic choices, ...

Every human has testosterone, but its effects go far beyond what most people realize. In this TED Talk, evolutionary biologist Carole Hooven explains how this powerful hormone shapes not just our ...

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 ...

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

Testosterone has long been linked to risk-taking, generosity, and competitiveness. But a new large-scale study—the biggest of ...

Monitoring testosterone levels is still important for everyone, as even natural variations can have health implications.

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 ...

Testosterone has long been linked to risk-taking, generosity, and competitiveness. But a new large-scale study - the biggest ...