How can I protect my child from thirdhand smoke in homes? Thirdhand Smoke Resource Center Effect of second hand fumes from vaping on young lungs Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London