Anger is a natural emotion. Anger may include displeasure, irritation or dislike.
When we react to frustration, criticism or a threat we become angry. Anger increases
heart rate, blood pressure and other diseases. The external expression of anger can
be found in facial expressions, body language physiological responses and at times
in public acts of aggression. But the anger internally affects the body, damages
nervous, make body discomforts, decrease efficiency, and creates many other
problems.