Jack Wilson talks to Rob Calder about his recent systematic review and meta-analysis on whether cannabis use increases the likelihood of later life opioid use or opioid use disorders. Jack talks about the limitations of the literature, the influence that the gateway hypothesis has had on policy and on some of the different types of studies that explore this issue.

Wilson J, Mills K, Freeman TP, Sunderland M, Visontay R, and Marel C. Weeding out the truth: a systematic review and meta-analysis on the transition from cannabis use to opioid use and opioid use disorders, abuse or dependence. Addiction 2021; doi:10.1111/add.15581 

https://onlinelibrary.wiley.com/doi/abs/10.1111/add.15581

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