Patterns in adolescent cannabis use predict the onset and symptom structure of schizophrenia-spectrum disorder

This study investigated adolescent cannabis use as a risk factor for schizophrenia spectrum disorder (SSD). Motives for early cannabis use and resulting usage patterns were examined alongside clinical measures of SSD onset and symptomatology.Participants (N  = 178) were recruited for two samples, 1: healthy controls (HC) with cannabis use, 2: schizophrenia patients (SSD) with cannabis use. Structured interviews of participants and family informants were used to obtain diagnostic and biographical information.
Source: Schizophrenia Research - Category: Psychiatry Authors: Source Type: research