Abstract Background and aims: High-potency cannabis has been associated with increased risk of psychosis, but a lack of prospective data…
Abstract Question: Does use of high-potency cannabis (compared with use of low-potency cannabis) increase risks for problems resulting from cannabis…
Abstract Question: Are patterns of adolescent cigarette and cannabis use differentially associated with subsequent onset of psychotic experiences? Findings: In…
Abstract Introduction: Substance use is associated with common mental health disorders, but the causal effect of specific substances is uncertain.…