American family physician
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Am Fam Physician
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Schizophrenia is the most common psychotic mental disorder, and those affected have two to four times higher mortality than the general population. Genetic and environmental factors increase the risk of developing schizophrenia, and substance use disorder (particularly cannabis) may have the strongest link. Schizophrenia typically develops in young adulthood and is characterized by the presence of positive and negative symptoms. ⋯ Treatment-resistant schizophrenia should be treated with clozapine. Adjunctive treatments include electroconvulsive therapy, antidepressants, and cognitive behavior therapy for psychosis. Family and social support are keys to improved outcomes.