The popular belief that testosterone contributes to aggressive behavior in humans may be just that — a belief — according to a new study in the journal Nature. The paper suggests that the hormone may ...

Testosterone can foster friendly, prosocial behavior in males, a new animal study finds. The work also revealed how testosterone influences the neural activity of oxytocin cells -- the so-called 'love ...

New scientific evidence refutes the preconception that testosterone causes aggressive, egocentric, and risky behavior. A study at the Universities of Zurich and Royal Holloway London with more than ...

Dr. Sapolsky is a neuroscientist and primatologist. I was observing a 9-year-old male baboon in the Serengeti of East Africa one day in 1983. Baboon troops are very hierarchical, and this baboon was a ...

Male sexual heat is a common feature of wild animals like deer, elephants, and many bird species. It is related to annual increases in testosterone production that increases aggression and sex drive.

This last week was my first week of teaching a new course at the University of Illinois. The course is called "Power, Status, and Influence" and so far I've finished preparing about 80% of the lecture ...

Despite the social mythology surrounding testosterone, it may be much less important for success and life chances than earlier studies have suggested. There’s a widespread belief that your ...

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 can foster friendly, prosocial behavior in males, a new animal study finds. The Proceedings of the Royal Society B published the research on Mongolian gerbils conducted by neuroscientists ...