If it's important to wash our body, wash our hair, why isn't it equally important to wash our brain ? (feddit.online)

submitted 5 days ago by MastKalandar@feddit.online to c/dumbquestions@crazypeople.online

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[-] SarahValentine@lemmy.blahaj.zone 7 points 5 days ago* (last edited 5 days ago)

I've read theory that posits that when we sleep, waves of cerebrospinal fluid wash over the brain, removing waste.

Edit: https://www.science.org/content/article/scientists-uncover-how-brain-washes-itself-during-sleep

[-] TheracAriane@thebrainbin.org 3 points 5 days ago

Never knew about that. Thanks for sharing.

[-] SarahValentine@lemmy.blahaj.zone 2 points 5 days ago

Now that I'm home and can use my desktop PC, I looked it up to make sure I wasn't talking out of my ass. Edited my above comment with a link!

this post was submitted on 28 Apr 2026

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