Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Parents using e cigs expose kids to dangerous secondhand vapor Futurity Tobacco Smoke, Vaping, and Asthma AAFA.org 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.