Can You Get Secondhand Smoke From a Vape or E Cigarette? Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects 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 Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy 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. Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals