Testosterone is related to deviance in male army veterans, but relationships are not moderated by cortisol
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Updated: May 4, 2026

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
Published on: July 10, 2017
1Maxwell School, Syracuse University, Syracuse, NY, United States.
Abstract:
The Vietnam Experience Study (VES) of 4462 male U.S. Army veterans is the first large dataset used to demonstrate that testosterone (but not cortisol) is correlated with diverse measures of antisocial, aggressive or dominant behavior. Many subsequent studies have sustained these relationships while also pointing to important caveats. Some researchers suggest that testosterone is correlated to dominance and aggression only (or mostly) in people with low cortisol, not in those with high cortisol. Here we look back to the VES to test this "dual hormone" hypothesis. We find no testosterone-cortisol interaction for seven measures of antisocial deviance. We consider scope conditions under which the dual hormone hypothesis may be valid.
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