According to a new study published in the journal Psychiatry and Clinical Neurosciences a history of marijuana use is not associated with an increased risk of developing psychosis, even among those predisposed to the disorder.
The primary aim of the study “was to examine the association between cannabis use and the incidence of psychotic disorders in people at clinical high risk of psychosis.” Secondary aims were to assess “associations between cannabis use and the persistence of psychotic symptoms, and with functional outcome.”
In doing so, researchers found that “There was no significant association between any measure of cannabis use at baseline and either transition to psychosis, the persistence of symptoms, or functional outcomes.”
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