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How Deep Sleep May Help The Brain Clear Alzheimer's Toxins

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 associated with Alzheimer's, researchers reported Thursday in the journal Science.  The finding could help explain a puzzling link between sleep and Alzheimer's, says Laura Lewis, an author of the study and an assistant professor in the department of biomedical engineering at Boston University.  Read more.....

 

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