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  "path": "/news/2026-04-mini-brain-reveals-mild-trigger.html",
  "publishedAt": "2026-04-09T10:40:02.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Concussions are a common injury, responsible for as many as 3 million emergency room visits every year. Children playing sports or other recreation activities sustain nearly 4 million concussions every year, according to estimates by the Centers for Disease Control and Prevention.",
  "title": "Mini-brain model reveals how mild head hits trigger neurodegenerative cascades"
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