Cannabis Use, Psychosis Risk and Basic Science
Headline writers are having a field day with the results of a meta-analysis to be published in The Lancet which found that cannabis users are 40% more likely than non-users to develop psychotic symptoms. Radio, print, and internet publications urge that more must be done to warn the public of the risks of cannabis use. But hold on, did the headline writers miss the lesson on correlation vs. causation in their Science for Journalists class?
