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    Your brain on weed

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Your brain on weed

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
Source: CNN

Dr. Sanjay Gupta on Your Health (21 Videos)

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Your brain on weed

Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.
Source: CNN