Smoking High-Potency Marijuana Daily May Increase Chances Of Developing Psychosis By Nearly Fivefold, Study Indicates.

The AP (3/19, Cheng) reports, “Smoking high-potency marijuana every day could increase the chances of developing psychosis by nearly five times,” researchers concluded in a study comprised of “about 900 people who were diagnosed with a first episode of the disorder at a mental health clinic, including those with delusions and hallucinations,” who “were compared with more than 1,200 healthy patients.” The findings of the contribution of cannabis use to variation in the incidence of psychotic disorder across Europe were published on March 19 in The Lancet Psychiatry.