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1/🧵 Does Alcohol shrink the brain?
 
Yes, all liquor can hurt our brains if we drink too much. The disease of Alcoholism, which is NOT the fault of the person afflicted, causes brain injury slowly over time.
 
A picture is worth 1,000 words. Look below at a diseased brain…
2/ Gray on this CT scan indicates actual brain tissue.

Do you see the black areas pointed out here by RED arrows?

These are called sulci (grooves).

This <40 year old person has VERY large grooves that show the amount of brain tissue as we would see in someone >80 w dementia.
3/ Normally brain grooves are small in young people. See example👇.

When someone gets dementia, s/he can lose actual brain tissue (less gray) and the area fills in with fluid (BLACK - sulci).

SO this is atrophy & manifest in life as memory problems & executive dysfunction.
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