National Schizophrenia Foundation
Advancing Support, Information, and Awareness

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Schizophrenia FAQ
Historical Figures
Diagnostic Criteria

The National Institute of Mental Health (NIMH) conducts clinical research studies on schizophrenia and related disorders. The NIMH seeks participants for studies at different locations across the United States. For further information on participating in a clinical research study, go to the: NIMH Web Site

About Schizophrenia
Facts About Schizophrenia
  • It is estimated that more  than 2.1 million Americans now have schizophrenia. There are more Americans with schizophrenia than there are residents of North Dakota, South Dakota, and Wyoming combined.
  • Schizophrenia can be found in approximately 1% of the world's population, regardless of racial, ethnic or even economic background.
  • Three-quarters of persons with schizophrenia develop the illness between 16 and 25 years of age. 
  • The disorder tends to "run" in families, but only among blood relatives.
  • To be diagnosed as having schizophrenia, one must have associated symptoms for at least six months.
  • Studies have indicated that 25 percent of those having schizophrenia recover completely, 50 percent are improved over a 10-year period, and 25 percent do not improve over time.
  • Treatment and other economic costs due to schizophrenia are enormous, estimated between $32.5 and $65 billion.
  • Between one-third and one-half of all homeless adults have schizophrenia.
  • Fifty percent of people diagnosed with schizophrenia have received no treatment.

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