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% Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Secondhand smoke and secondhand aerosol Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center