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Regular pot smokers have shrunken brains, study says

Regular pot smokers have shrunken brains, study says

Los Angeles Times - By Melissa Healy

Experimental mice have been telling us this for years, but pot-smoking humans didn't want to believe it could happen to them: Compared with a person who never smoked marijuana, someone who uses marijuana regularly has, on average, less gray matter in his orbital frontal cortex, a region that is a …

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