THE CANNABIS AND PSYCHOSIS CONNECTION QUESTIONED: A COMMENT ON FERGUSSON ET AL. 2005
Addiction April 22, 2005 B Mirken, Mitch Earleywine 10 citations
Fergusson and colleagues assert that their results from a New Zealand cohort ‘add to the growing body of evidence that regular cannabis use may increase risks of psychosis’[1]. In fact, their study raises more questions than it answers. One obvious question is raised by their use of ten items from Symptom Checklist 90 as the only assessment tool for symptoms of psychosis. The items assessed...