The liver too releases an extra quantity of sugar in the blood stream. It brings about physical, psychological and chemical reactions. With the rise of aggressiveness breathing becomes fast. The normal rate of 10 to 15 breaths a minute goes up to 30 or 40. The stage is fully set for letting loose violence.
Meditation puts the brakes on the over-busyness of the body and the mind and thus prevents violence.
Once the above truth is properly grasped, the way will be clear to adopt measures best calculated to put an end to crimes and violence in society. Eventually no groping will be necessary for finding the solution to the problems of nuclear armament and war.