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  "path": "/news/2026-05-marker-biological-aging-linked-cognitive.html",
  "publishedAt": "2026-05-04T01:00:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Blood tests measuring the aging of certain white blood cells can predict cognitive and mood-related symptoms of depression, rather than physical symptoms. These findings, published in The Journals of Gerontology, Series A: Biological Sciences and Medical Sciences, bring researchers closer to identifying a biomarker for detecting the mood disorder, which affects nearly one in five US adults.",
  "title": "Marker of biological aging linked to cognitive symptoms of depression"
}