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  "path": "/news/2026-06-pfas-fingerprints-blood-clues.html",
  "publishedAt": "2026-06-01T14:00:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Virtually every living thing on Earth, from Patagonian penguins to newborn human babies, has been touched by the synthetic chemicals known as per- and polyfluoroalkyl substances, or PFAS. In fact, you would be hard pressed to find a sample of human blood, tissue, or breast milk without detectable levels of at least one type of PFAS.",
  "title": "PFAS leave fingerprints in your blood—researchers are beginning to read these clues"
}