- TheFoodandDrugAdministrationdoesn'tregulatemarijuana,sothequalityandpotencyoftheproductavailableinmedical-marijuanadispensariescanvary.GruberpresentedfMRIdatathatshowedthatthefrontalcortexofmarijuanausers'brainsactivateddifferently.Hispapersdescrib...
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