Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA How can I protect my child from thirdhand smoke in homes? Thirdhand Smoke Resource Center It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London 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.