Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Thirdhand Smoke Resource Center Protecting Californians Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Is Second Hand Vaping Harmful? EDGE Vaping E cigarettes pose threat to users' and bystanders' health Novant Health Healthy Headlines Juul study shows secondhand vaping emissions are less toxic than cigarette smoke