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  "path": "/articles/d41586-026-01488-7",
  "publishedAt": "2026-06-01T20:16:11.559Z",
  "site": "https://www.nature.com",
  "tags": [
    "doi:10.1038/d41586-026-01488-7"
  ],
  "textContent": "Nature, Published online: 01 June 2026; doi:10.1038/d41586-026-01488-7\n\nA machine-learning system has been developed that can monitor heart rate using facial video clips that are captured passively by the user-facing camera during everyday smartphone use. The system meets industry accuracy standards for heart-rate measurement and is as accurate as wearable technology for measuring daily resting heart rate.",
  "title": "Smartphone camera takes users’ pulse passively during device use",
  "updatedAt": "2026-06-01T00:00:00.000Z"
}