Indeed , androgens are capable of altering the structure of the brain in several species , including mice , rats , and primates , producing sex differences .
Androgen levels have been implicated in the regulation of human aggression and libido .
Androgens are capable of altering the structure of the brain in several species , including mice , rats , and primates , producing sex differences .
Androgen levels have been implicated in the regulation of human aggression and libido .