Discontinuing cannabis improves depression in people with multiple sclerosis: A short report

To assess whether symptoms of depression change when people with multiple sclerosis (pwMS) discontinue cannabis use, 40 cognitively impaired pwMS who smoked cannabis almost daily were randomly assigned to either a cannabis continuation (CC) or cannabis withdrawal (CW) group. Both groups were followed for 28 days. All participants completed the Hospital Anxiety and Depression Scale. At day 28 the 11-nor-9-carboxy-Δ 9 -tetrahydro-cannabinol...