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 vs Vape: What the Science Says Should I Be Concerned About Secondhand Vaping? Can You Get Second Hand Smoke from a Vape? Crystal Vape & Crystal Bar & SKE Vape Official Station Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes.