What Causes Schizophrenia?
The exact cause of schizophrenia is unknown. People with a first-degree relative suffering from schizophrenia have a 10 percent chance of also developing schizophrenia, suggesting that genetics plays a large role. An identical twin of a person with schizophrenia has a 40 to 65 percent chance of developing the illness. The exact gene or gene combinations that predispose people to schizophrenia are unknown and there are no genetic screening tests for schizophrenia. Genetic screening tests that may allow accurate screenings are being tested.
An imbalance in the function of dopamine, glutamate, and other neurotransmitters may play a role in schizophrenia.
Signs And Symptoms Of Schizophrenia
Schizophrenia has three categories of symptoms: