Sleep
NPR - Jon Hamilton
The brain waves generated during deep sleep appear to trigger a cleaning system in the brain that protects it against Alzheimer's and other neurodegenerative diseases. Electrical signals known as slow waves appear just before a pulse of fluid washes through the brain, presumably removing toxins …
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NPR - Bobby Allyn
NPR - Brakkton Booker
NPR - Laurel Wamsley
NPR - Anastasia Tsioulcas
