Juul study shows secondhand vaping emissions are less toxic than cigarette smoke The Impact of E Cigarettes and Asthma: What You Need to Know Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology 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. Protecting Youth From the Harms of Vaping Smoking and Tobacco Use CDC Tobacco Smoke, Vaping, and Asthma AAFA.org