major depressive disorder

Study: No Longitudinal Association Between Cannabis Use and Depression

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By Paul Armentano, NORML

TEL AVIV, ISRAEL — Cannabis use is not associated joint with increased incidences of major depression, according to longitudinal data published online ahead of print in the Journal of Affective Disorders.

An international team of investigators from Israel and Canada assessed the association between cannabis use, major depressive disorder (MDD) and bipolar disorder (BP) in a three-year prospective study.

Authors determined that future incidence of MDD was not higher among cannabis users compared to nonusers. They reported: “Our results show no significant association between cannabis use and the incidence of major depression.

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