Do Vapes Have Second Hand Smoke Can You Get Second Hand Smoke from a Vape? Juul study shows secondhand vaping emissions are less toxic than cigarette smoke In secondhand vape, scientists smell risk American Heart Association Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Secondhand Smoke vs Vape: What the Science Says Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA