Child , like other psychopathologies has many documented, and several uncertain causes. Some scientists have evidence that pregnant mothers have experienced an immune reaction that present dangers to the unborn child. is a disorder where the body's immune system attacks itself. is not present at birth but develops during the adolescence period or young adulthood. is a biological brain disease affecting thinking, perception, mood, and behavior. Its exact cause is unknown but overwhelming evidence points to faulty chemistry or structural ....