While vaping is not risk free, it is less harmful than tobacco Our World in Data Tobacco Smoke, Vaping, and Asthma AAFA.org Adults Don't Think Exposure To Secondhand Vapor From E Cigarettes Is Bad For Kids : Shots Health News : NPR Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Digital Download Materials "Secondhand Smoke" Maine Prevention Store