Manitoba Addictions Knowledge Exchange

makeconnections

What's Happening

Marijuana use and vulnerability to psychosis

Going from an occasional user of marijuana to a weekly or daily user increases an adolescent’s risk of having recurrent psychotic-like experiences by 159%, according to a new Canadian study. The study also reports effects of marijuana use on cognitive development and shows that the link between marijuana use and psychotic-like experiences is best explained by emerging symptoms of depression. Read more