Anger is a natural, though sometimes unwanted or irrational, emotion that everybody experiences from time to time. Anger experts describe the emotion as a primary, natural emotion which has evolved as a way of surviving and protecting yourself from what is considered a wrong-doing. Anger or wrath is an intense emotional response. It is an emotion that involves a strong uncomfortable and emotional response to a perceived provocation, hurt or threat. It is an emotional reaction that impacts the body. A person experiencing anger will also experience physical conditions.