testosterone male sex hormone androgen molecule. atoms are represented as spheres with conventional color coding: hydrogen .

5alpha abuse agent aggression alopecia anabolic androgen androgenic arousal atomic atoms baldness beard behavior bond carbon chemical chemistry composition compound criminality doping droid drug enhancing finasteride formula hormone hydrogen inhibitor macho male manly model molecular molecule oxygen penis performance prostate receptor reductase replacement risk scrotum sex sexual steroid structure testicle testosteron testosterone therapy virility