Can I be Affected by Secondhand Vape Smoke? 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 smoke and secondhand aerosol How can I protect my child from thirdhand smoke in homes? Thirdhand Smoke Resource Center Health effects of electronic cigarettes Wikipedia E Cigs and Second Hand Vaping: Dangers and Protections