The Beast Within : Why Men Are Violent

What causes male violence...and how can we stop it? A sure-to-be-controversial, challenging, and provocative study suggests that biology plays a definitive role in engendering murder, rape, torture, and other vicious acts. To understand brutality, start with the animal world, where males use aggression to ensure the survival of the species and their primacy within the group. Uncover testosterone's powerful effects, and the connection between the number of teenage boys in the population and patterns of violence. Environmental factor do have an effect too, influencing a person's ability to handle anger. Most important of all, because biology is not destiny, here is the key to reducing lethal aggression, as well as ways to manage the root of this evil.