I have treated many patients who have been hallucinating, and a lot of them do not have schizophrenia. About 1% of the population has schizophrenia, but 10 – 27% of the general population has experienced at least one hallucination, usually the visual type. Most times these hallucinations are not due to schizophrenia; usually they are due to the use of a substance like alcohol or cocaine or they are caused by a depressive disorder. Many people also experience mild hallucinations as they wake...