Samson brought up a great subject: the relation of testosterone to cortisol reactivity as a factor in psychopathology. You'll have to read the above study to see the details but is this:
"Increased testosterone to cortisol ratio in psychopathy"
Here is another one that is int'g:http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=92693
"The impact of child maltreatment and psychopathology on neuroendocrine functioning"
There are more and more studies coming out showing that abusive and toxic home environments lead to damaged HPA axis and damaged brains - a potentially deadly situation in the case of males.