title: Organic brain syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001925:Brain Damage, Chronic / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D001523:Mental Disorders / Q000209:etiology; D008875:Middle Aged; D019966:Substance-Related Disorders / Q000150:complications; D013577:Syndrome