Strange but True: Testosterone Alone Does Not Cause Violence: Scientific American

Strange but True: Testosterone Alone Does Not Cause Violence: Scientific American: It's commonly assumed that testosterone, that stereotypically male hormone, is intimately tied to violence. The evidence is all around us: weight lifters who overdose on anabolic steroids experience "roid rage," and castration—the removal of the source of testosterone—has been a staple of animal husbandry for centuries.