How secondhand smoke, thirdhand smoke & vaping affects kids Secondhand vape exposure: Risks and side effects Can You Get Secondhand Smoke From a Vape or E Cigarette? 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