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 e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN The risks of first hand and second hand vaping Eoleaf Vaping, Second Hand Smoke, and Kids Medical Associates of Northwest Arkansas Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London