'Poorer Cognitive Functioning' of Young Marijuana Users Detailed in University of Pennsylvania Study - “Results indicate that previous studies of cannabis in youth may have overstated the magnitude and persistence of cognitive deficits associated with use.”

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'Poorer Cognitive Functioning' of Young Marijuana Users Detailed in University of Pennsylvania Study - “Results indicate that previous studies of cannabis in youth may have overstated the magnitude and persistence of cognitive deficits associated with use.”