I published a study on a thousand marijuana users until recently, the largest image gene study ever. Every area of the brain is lower in blood flow and activity makes Alcohol...makes your brain look older than you are. now. I've known that for a long time. I'm also a child psychiatrist and parents would bring me their 16 year old child and they go, I think he has add. (00:08–02:47)
CLAIM
Asserts that alcohol consumption ages the brain.
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