Studies: Cannabis Exposure Not Associated With Significant Changes In Brain Morphology

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Comments Cannabis exposure is not associated with significant changes in brain morphology in either older or younger subjects, according to a pair of newly published studies. In the first study , researchers from the University of Pennsylvania, Perelman School of Medicine compared brain scans of occasional (one to two times per week) and frequent (more than three times per week) marijuana consumers versus nonusers. Subjects were between 14 and 22 years of age.

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