Saturday, May 2, 2026

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

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 cerebrospinal fluid around the brain, potentially flushing out harmful waste.

from Top Health News -- ScienceDaily https://ift.tt/9I53wX7

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Plague was killing entire families thousands of years before the Black Death

Ancient DNA reveals that plague was already killing hunter-gatherers in Siberia 5,500 years ago, long before cities and flea-driven epidemic...