What Does Vaping Do to Your Lungs? Johns Hopkins Medicine It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Secondhand smoke and secondhand aerosol Is Vaping as Bad for Your Health as Smoking? Connect Community BCBSIL 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 vape exposure: Risks and side effects