Second hand smoke from e cigarettes 'poses NO risk to the public' Daily Mail Online Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Secondhand vaping may pose risk to your kids: New study Secondhand vape exposure: Risks and side effects Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN