• Lead: Secondhand Nicotine Absorption From E-Cigarette Vapor vs Tobacco Smoke in Children

  • Jul 23 2024
  • Duración: 5 m
  • Podcast

Lead: Secondhand Nicotine Absorption From E-Cigarette Vapor vs Tobacco Smoke in Children

  • Resumen

  • Secondhand Nicotine Absorption From E-Cigarette Vapor vs Tobacco Smoke in Children

    JAMA Network Open

    This cross-sectional study of 1,777 US children aged 3 to 11 years examined how children’s nicotine absorption, as indexed by serum cotinine level, differ among those exposed to (1) secondhand tobacco smoke only, (2) secondhand e-cigarette vapor only, or (3) neither. Compared with children exposed to secondhand smoke only, nicotine absorption was 83.6% lower in those exposed to secondhand vapor only and 96.7% lower in those exposed to neither. These findings suggest that children absorb much more nicotine from secondhand smoke than from secondhand vapor; switching from smoking to vaping indoors may substantially reduce children’s secondhand exposure to nicotine and other noxious substances, but both smoke and vapor increase children’s absorption vs no exposure.

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