The Effect of Cannabis Use and Cognitive Reserve on Age at Onset and Psychosis Outcomes in First-Episode Schizophrenia
Schizophrenia Bulletin March 9, 2011 Verity C. Leeson, Isobel Harrison, María A. Ron et al. 132 citations
OBJECTIVE: Cannabis use is associated with a younger age at onset of psychosis, an indicator of poor prognosis, but better cognitive function, a positive prognostic indicator. We aimed to clarify the role of age at onset and cognition on outcomes in cannabis users with first-episode schizophrenia as well as the effect of cannabis dose and cessation of use. METHODS: Ninety-nine patients without...