Scientists discover a hidden brain “cleaning” effect triggered by movement
SMRTR summary
When your abdominal muscles tighten during movement, they create pressure that travels through blood vessels into the spinal cord, causing the brain to shift slightly inside the skull. Penn State researchers found that this gentle motion helps cerebrospinal fluid flow across the brain, washing away waste linked to neurodegenerative diseases. Even small everyday movements like walking may trigger this natural brain-cleaning effect.
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