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Scientists discover a hidden brain “cleaning” effect triggered by movement

Science Daily · May 2, 2026, 3:04 AM

Why this matters: new research or scientific developments with potential real-world impact.

Scientists have uncovered a surprising link between simple body movement and brain health: every time you tighten your abdominal muscles—even slightly—your brain may gently sway inside your skull. This subtle motion, triggered by pressure changes in connected blood vessels, appears to help circulate

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