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% Thirdhand Smoke Resource Center Protecting Californians Is 2nd Hand Vape Smoke Bad Is There 2nd Hand Smoke From Vapes Covid 19 Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Tobacco Smoke, Vaping, and Asthma AAFA.org How secondhand smoke, thirdhand smoke & vaping affects kids