Secondhand Smoke Vermont Department of Health Many people assume vaping is harmless to bystanders, but secondhand aerosol can contain ultrafine particles and chemical residues. Researchers are examining how exposure may affect airways and overall health, especially for children Secondhand smoke and secondhand aerosol In secondhand vape, scientists smell risk Health cherokeephoenix.org Can you get second hand smoke from vape? Vaping Post Secondhand Vape Exposure: Effects, Who's at Risk, and More