Regular pot smokers have shrunken brains, study says

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...



via L.A. Times - Science http://ift.tt/1wM49Zu