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  "path": "/story/384021/blood-test-may-forecast-alzheimers-symptoms-years-ahead.html",
  "publishedAt": "2026-02-19T11:23:00.000Z",
  "site": "https://www.newser.com",
  "textContent": "Researchers say they're edging closer to a kind of countdown clock for Alzheimer's. A study published Thursday in Nature Medicine reports that a blood test tracking a protein called p-tau217 can estimate when someone is likely to develop symptoms, with a margin of about three to four years, per the...",
  "title": "Blood Test Could Tell You When Alzheimer's Symptoms Will Start"
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