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 from vaping could be harmful to children: study ABC13 Houston Effects Of Second Hand Vape Smoke Secondhand smoke and secondhand aerosol Effects Of Second Hand Vape Smoke Thirdhand Smoke Resource Center