Anger is described as a strong feeling of displeasure. When you get angry, your heart rate and blood pressure increase. There are many things that may cause you to become angry, it could be an action of another person, an event, or anger can even be caused by worrying about personal problems in your life. Memories can also cause renewed anger. The natural way to express anger is through aggression.
Aggression is the instinctive, natural way to express anger.
In certain situations, the aggression that comes from being angry may actually serve to protect you. Anger is an intuitive response to a threat. For this reason, a certain amount of anger, is beneficial. On the other hand, your anger should not be allowed to turn into rage that cause you to lash out physically at other people or objects. Some people don't express their anger, they hold it in, and this too can be dangerous.