Schizophrenia Schizophrenia is a serious brain disorder. It is a disease that makes it difficult for a person to tell the difference between real and unreal experiences, to think logically, to have normal emotional responses to other, and to behave normally in social situations. People with schizophrenia may also have difficulty in remembering, talking, and behaving appropriately. Schizophrenia is one of the most common mental illnesses. About 1% of the world population has schizophrenia. In the …showed first 75 words of 232 total…

…showed last 75 words of 232 total…symptoms. Sometimes, these symptoms come on suddenly. Usually, though, the illness develops slowly over months or even years. At first, the symptoms may not be noticed or may be confused with those of other conditions. For example, people with schizophrenia may feel tense, be unable to concentrate, or have trouble sleeping. They often become increasingly isolated and withdrawn as their grip on reality loosens. They do not make or keep friends. They may stop caring.