Symptoms Of Second Hand Vape Smoke Secondhand smoke is harmful to those around you, putting them 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% Effect of second hand fumes from vaping on young lungs YouTube Is Second Hand Vapor from E Cigarettes Dangerous? [Infographic] The Local Brand Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA