Article
Assessing causality in associations between cannabis use and schizophrenia risk: a two-sample Mendelian randomization study.
Psychological medicine - 1 Apr 2017
Gage S H, Jones H J, Burgess S, Bowden J, Davey Smith G, Zammit S, Munafò M R
Abstract excerpt
BACKGROUND: Observational associations between cannabis and schizophrenia are well documented, but ascertaining causation is more challenging. We used Mendelian randomization (MR), utilizing publicly available data as a method for ascertaining causation from observational data. METHOD: We performed bi-directional two-sample MR using summary-level genome-wide data from the International Cannabis Consortium (ICC)...
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