Schizophrenia is a long-term mental disorder. You interpret reality differently.
Schizophrenia is very random. The person can have the disorder and be fine then flip like a switch randomly. It usually starts between ages 16-30.
Schizophrenia affects the brain and its interpretations.
Genes and brain structure cause Schizophrenia.
Going to or receiving mental treatment can help but you'll never be able to overcome the symptoms.
1% of Americans have it and people with Schizophrenia are NOT violent!
Interview with John Nash | Nobel Prize in Economics Sciences,1994.