Schizophrenia is a severe psychiatric disorder with symptoms of emotional instability, detachment from reality, and withdrawal into the self.
The word "Schizophrenia" is less than 100 years old. However the disease was first identified as a discrete mental illness by Dr. Emile Kraepelin in the 1887 and the illness itself is generally believed to have accompanied mankind throughout its history.
There are documents that identify Schizophrenia can be traced to the old Pharaonic Egypt, as far back as the second millennium before Christ. Depression, dementia, as well as thought disturbances that are typical in schizophrenia are described in detail in the Book of Hearts. The Heart and the mind seem to have been synonymous in ancient Egypt. The physical illnesses were regarded as symptoms of the heart and the uterus and originating from the blood vessels or from purulence, fecal matter, a poison or demons. Some recent study into the ancient Greek and Roman literature showed that although the general population probably had an awareness of psychotic disorders, there was no condition that would meet the modern diagnostic criteria for schizophrenia in these societies. At one point in history, all people who were considered "abnormal," whether due to mental illness, mental retardation, or physical deformities, were largely treated the same. Early theories supposed that mental disorders were caused by evil possession of the body, and the appropriate treatment was then exorcising these demons, through various means, ranging from innocuous treatments, such as exposing the patient to certain types of music, to dangerous and sometimes deadly means, such as releasing the evil spirits by drilling holes in the patient's skull. One of the first to classify the mental disorders into different categories was the German physician, Dr. Emile Kraepelin. He used the term "dementia praecox" for individuals who had symptoms that we now associate with