John Kerr posted in adolescent • cannabis • drug use • intelligence • IQ • teen • youth on January 15th, 2013.
A Norwegian economist has questioned the findings of a highly publicised New Zealand study which found a causal link between heavy adolescent cannabis use and a decrease in IQ. However, the authors of the original research have backed their conclusions in the ensuing media coverage. Research published last year, based on data from the Dunedin […]
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