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  "path": "/news/2026-05-cold-skin-hot-heart-gene.html",
  "publishedAt": "2026-05-02T07:00:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "The saying \"cold hands, warm heart\" is usually meant metaphorically—but new research from UC Davis School of Medicine and collaborating institutions suggests it has a striking biological parallel.",
  "title": "Cold skin, hot heart, one gene: Hidden temperature switch decides where disease appears"
}