Anger is a natural emotion but cause of anger differ in people. Although some people learn the art of staying in control and keeping their minds calm, there are some factors that can cause anger issues which are hard to deal with.
Depression can cause sadness and extreme mood swings, causing frustration and anger at even for silly reason.
Epileptic seizures can affect your emotions and cause anger .
Obsessive compulsive disorder (OCD)
Obsessive compulsive disorder (OCD) is an anxiety disorder which makes a person have obsessive thoughts and compulsive behavior. It can trigger frustration thus leading to anger.