Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology In secondhand vape, scientists smell risk Health cherokeephoenix.org Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC 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% Should I Be Concerned About Secondhand Vaping?