Adolescent cannabis use, baseline prodromal symptoms and the risk of psychosis

Background The association between cannabis use and the risk of psychosis has been studied extensively but the temporal order still remains controversial. Aims To examine the association between cannabis use in adolescence and the risk of psychosis after adjustment for prodromal symptoms and other potential confounders. Method The sample ( n = 6534) was composed of the prospective general population-based Northern Finland Birth Cohort of 1986....