New findings published in The Lancet Psychiatry link cannabis use with mental health issues- more specifically, psychosis. The study out of King’s College London addresses findings from previous studies regarding heavy marijuana use and changes in the brain, and found that forms of “high-potency skunk-like cannabis were around three times more likely to develop psychosis, compared with those who had never used cannabis.” Calculations claim that about 24% of psychosis cases are related to high-potency cannabis and could therefore be avoided if people stopped using the high-potency substance. Head researcher Dr. Marta Di Forti explains that this type of cannabis has higher levels of THC than hash, and that “the risk of psychosis among cannabis users is dependent on the frequency of use and the potency of the cannabis.”

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