Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN 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 The risks of first hand and second hand vaping Eoleaf Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule