New Cannabis Research Study Shows Marijuana Does Not Cause Brain Damage

Researchers recently concluded, after comparing the brain morphology of 140 cannabis consumers and 121 people in a control group, that cannabis doesn't cause brain damage.


Researchers found that marijuana use had “no significant effects on cortical surface morphology.”


This new study, published in the journal European Neuropsychopharmacology, sought to identify any differences in cortical thickness, surface area, and gyrification index between people who use cannabis and those who do not. These three factors are generally related to cognitive function.


Researchers took a comprehensive analytic approach, and found that marijuana use had “no significant effects on cortical surface morphology.”


Results revealed that cortical morphology was not associated with cannabis use, dependence, or onset age. The lack of effect of regular cannabis use, including problematic use, on cortical structure in this study is contrary to previous evidence of cortical morphological alterations, particularly in relation to cannabis dependence and cannabis onset age in cannabis users.


Tags: European Neuropsychopharmacology Brain Damage Study Research Tony Bowles

About the author

Tony Bowles is a long time Americans for Safe Access organizer, and is currently a Budtender at Magnolia Wellness in Oakland, CA.

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