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Schizophr Res. 1992 Dec;8(2):93-102.

Smoking and schizophrenia.

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  • 1Department of Psychiatry, University of California, San Diego.


Several studies have shown that patients with schizophrenia have an extremely high prevalence of smoking, almost 90%, compared to only 33% in the general population and 45-70% in patients with other psychiatric diagnoses. The reasons for the high prevalence of smoking among schizophrenics is unknown, but it is likely that smoking behavior in schizophrenia may be a complex process, related to numerous interrelationships between the psychopathological, biochemical, and neuropharmacological aspects of smoking and of schizophrenia.

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