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% Secondhand Vapor: What You Need to Know Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Do Vapes Have Second Hand Smoke Can You Get Second Hand Smoke from a Vape? Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks Can You Get Secondhand Smoke From a Vape or E Cigarette?