Behavioral abnormalities manifest as personality changes, stubbornness, hyperactivity, impulsivity, social withdrawal, obsessive-compulsive behavior, aggressive behavior and even self-harm. Consider the following main causes related to this. The first one: caused by genetic factors. The second: caused by trauma and mental stress. The third: caused by organic brain or somatic diseases. The fourth: drugs or psychoactive substances related, taking central stimulants and drugs may lead to abnormal behavioral disorders. When abnormal behavior occurs it is necessary to seek medical attention and treatment by a physician for a clear diagnosis