If affects the way they perceive the world and the way they think about the world. They are likely to have hallucinations, delusions, and have a limitation on their ability to function in the community. There are two areas where schizophrenia can become problematic. It can be very distressing to the person. The other element that is very difficult for a schizophrenic is that they are unable to adequately perform in the usual roles that we all take for granted, such as in school or work or even relate to their own family.
Schizophrenia affects about one percent of the population at large.
It normally appears in men when they are in their teens, and in women in their twenties, but the prevalence is about the same. Irrational or catatonic behavior, such as stupor, rigidity or floppiness of limbs. Negative symptoms, such as inaction, silence, loss of will. These symptoms are generally accompanied by a substantial decrease in the ability to interact with others. We do not know exactly what causes it at this stage.