Cannabis makes people crazy, study says

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In a conclusion that won’t please the states that have legalized the recreational use of marijuana, a study found about a third of the psychotic disorders in London are caused by cannabis use. The study in the Lancet concluded that taking cannabis daily tripled the chances of developing a mental disorder. “But using forms with high levels of the active ingredient THC made users five times more likely to be affected,” said the Christian Institute, which reported the results.

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