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  "path": "/news/2026-02-gut-microbes-affect-heart-brain.html",
  "publishedAt": "2026-02-24T12:10:01.000Z",
  "site": "https://medicalxpress.com",
  "tags": [
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  "textContent": "Hypertension and heart failure affect millions worldwide. Yet in many patients, doctors cannot fully explain why the heart becomes stiff and struggles to relax—a condition known as diastolic dysfunction.",
  "title": "Gut microbes can affect the heart via the brain"
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