Is it really a given that high testosterone leads to aggression? It can lead to dominance, but not necessarily violence.
The whole 'roid rage' thing has been shown to be the result of elevated estrogen levels (excess testosterone is converted to estrogen, which is why steroid users take an aromatase inhibitor).
The whole 'roid rage' thing has been shown to be the result of elevated estrogen levels (excess testosterone is converted to estrogen, which is why steroid users take an aromatase inhibitor).