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  "path": "/article/brains-protective-barrier-stays-leaky-for-years-after-playing-contact-sports/",
  "publishedAt": "2026-03-21T11:00:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "Damage to the blood-brain barrier is linked to immune changes and cognitive decline",
  "title": "Brain’s protective barrier stays leaky for years after playing contact sports"
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