New study links marijuana and psychosis

A European study linking marijuana and psychosis came out on Tuesday, March 19th, in The Lancet Psychiatry. This study also showed a correlation between the dosage level of THC and the incidence of mental illness.
Dr. Marta Di Forti, lead author from the Institute of Psychiatry, Psychology, and Neuroscience at King’s College, in London stated: “For the first time we have consistent evidence that there is a dose-dependent relationship between cannabis use and induced psychosis at a population level. The more cannabis you consume the more likely you are to develop a psychotic disorder.”The study results are in-line with other study results including those cited in Alex Berenson’s book Tell Your Children: The Truth About Marijuana, Mental Illness, and Violence. These results are also consistent with Kevin Sabet’s presentation at our Reefer Sanity: Debunking the Myths About Marijuana Event on March 5th. Here are the links to the video and slide deck from that event. #debunkingthemyths