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  "path": "/news/2026-06-cooling-ingredients-vapes-irregular-heartbeats.html",
  "publishedAt": "2026-06-15T13:00:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "For years, flavor additives in e-cigarettes have been largely viewed as a secondary concern compared with nicotine. Research and regulation have focused on addiction, nicotine delivery and, more recently, the respiratory effects of vaping. But as evidence accumulates, researchers are increasingly asking whether certain flavoring ingredients have health effects of their own.",
  "title": "Cooling ingredients in vapes might cause irregular heartbeats"
}