A study, based in Massachusetts, found that just three months of treatment with medical cannabis resulted in improved task performance and favorable brain activation that the researchers retrieved through MRI scans. Cannabis users also cut their opioid and benzodiazepine use after the treatment.

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A study, based in Massachusetts, found that just three months of treatment with medical cannabis resulted in improved task performance and favorable brain activation that the researchers retrieved through MRI scans. Cannabis users also cut their opioid and benzodiazepine use after the treatment.