Schizophrenia Child schizophrenia, 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. Schizophrenia is a disorder where the body's immune system attacks itself. Schizophrenia is not present at birth but develops during the adolescence period or young adulthood. Schizophrenia 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 abnormalities in the brain. In some cases schizophrenia is ge