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  "path": "/ultramarathons-may-be-aging-your-blood-cells-faster-than-you-think/",
  "publishedAt": "2026-02-18T15:00:15.000Z",
  "site": "https://scitechdaily.com",
  "tags": [
    "Health",
    "Aging",
    "Blood",
    "Blood Cells",
    "Exercise"
  ],
  "textContent": "Ultramarathons might push red blood cells past their limits—accelerating their aging in the process. Running extreme distances may take a toll on the body at the cellular level. A study published today (February 18) in the American Society of Hematology’s journal Blood Red Cells & Iron reports that ultra-endurance events can damage red blood cells [...]",
  "title": "Ultramarathons May Be Aging Your Blood Cells Faster Than You Think"
}