According to a Centers for Disease Control and Prevention (CDC) study, 40% of U.S. adults believe that children's exposure to secondhand aerosol from e cigarettes causes only some or little harm, and 5% Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule Tobacco Smoke, Vaping, and Asthma AAFA.org Can You Get Secondhand Smoke from Vaping? ZOFO Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center