Posted: May 20, 2017 at 12:10 pm Scientists in Canada are using marijuana to reduce crack cocaine use – "data for this study, which was recently presented at the Harm Reduction Conference in Montreal, were drawn from three open and ongoing prospective cohorts of more than 2,000 people" submitted by /u/mvea to r/Futurology [link] [comments] Source: Reddit: TGIOKDI Upvoted Leave a Reply Cancel replyYou must be logged in to post a comment.