MtF 2010: Conditional probability of dependence on cannabis

The Monitoring the Future epidemiological survey of drug use in the US has announced some of their updated data today. As always, you can go to their website and look at the figures yourself. The monographs with expanded data tables and summaries can be found here, the current year’s data will be published in June, I think, so until then you’ll have to be satisfied with the selected figures on the website.