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Brains Sweep Themselves Clean Of Toxins During Sleep

Brains Sweep Themselves Clean Of Toxins During Sleep

NPR - Jon Hamilton

While the brain sleeps, it clears out harmful toxins, a process that may reduce the risk of Alzheimer's, researchers say. During sleep, the flow of cerebrospinal fluid in the brain increases dramatically, washing away harmful waste proteins that build up between brain cells during waking hours, a …

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