People who smoke high-intensity weed are more likely to develop psychosis: study

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Individuals who smoke high-potency marijuana every day are more likely to develop psychosis, according to a new study.

The study published Tuesday in The Lancet Psychiatry medical journal found that daily marijuana users are three times more likely than those who don’t use marijuana to develop psychosis. Those who use high-potency marijuana are almost five times more likely to develop psychosis compared to nonusers, according to the study.

The study’s authors defined high-potency cannabis as marijuana with more than 10 percent tetrahydrocannabinol, the chemical responsible for marijuana’s psychoactive effects.

The researchers studied data from 901 patients with first-episode psychosis between 2010 and 2015. They also studied 1,237 people as a control group. Continue Reading