Exercise Clears Brain Trash as We Age | Science News

Science News Today | 2 Min News | The Daily News Now! · Aug 11, 2026 · 1m

New research from Victoria University reveals that regular exercise may be a game-changer for brain health as we age—by boosting the brain’s natural cleanup system. This “glymphatic” system, most active during sleep, clears out harmful waste linked to cognitive decline. Exercise helps it work better by improving sleep, reducing inflammation, and enhancing blood flow and nerve cell function. While specifics on optimal exercise types and doses are still being studied, the evidence strongly supports movement as a powerful defense against dementia and Alzheimer’s. So lace up—your brain will thank…