Abstract: 380 www.thelancet.com/psychiatry Vol 2 May 2015 Marta Di Forti and colleagues’ retrospective case–control study distinguished between self-reported use of high-potency (skunk) versus lower potency (hash) cannabis. Scaremongering headlines in the media predictably followed. The Daily Mail screamed “Scientists show cannabis TRIPLES psychosis risk: Groundbreaking research blames ‘skunk’ for 1 in 4 of all new serious mental disorders.” Undoubtedly, politicians and policy makers who have already made up their minds about regulation of ca...
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