Testosterone’s reputation for causing anger and aggression is overstated — the science shows a more complex story. High, non-medical doses of anabolic steroids — which are technically testosterone — ...

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 ...

LONDON (Reuters Life!) - Testosterone makes people behave badly, but only because of our own prejudices about its effect, not its true biological action, scientists said on Tuesday. A Swiss and ...

The common assumption about testosterone is that it makes us more aggressive and competitive. But is this the entire story? Perhaps the effect of testosterone on behavior depends on our social rank.

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 ...

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.

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 familiar type — a young macho bruiser on the way up ...