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  "path": "/blood-tests-could-reveal-alzheimers-risk-years-before-symptoms-appear",
  "publishedAt": "2026-04-21T04:01:46.000Z",
  "site": "https://www.sciencealert.com",
  "textContent": "A blood test shows significant promise for predicting the earliest stages of Alzheimer's disease, even...",
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