Course of cannabis use and clinical outcome in patients with non-affective psychosis: a 3-year follow-up study
Psychological Medicine February 5, 2015 F J van der Meer, Eva Velthorst, Genetic Risk And Outcome Of Psychosis (group) Investigators 49 citations
BACKGROUND: Prospective studies on the relationship between course of cannabis use and clinical outcome in patients with non-affective psychotic disorders are inconclusive. The current study examined whether (1) persistent, recently started, discontinued and non-cannabis-using patients with a psychotic disorder differed with regard to illness outcome at 3-year follow-up, and (2) whether timing...