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 Second hand smoke from e cigarettes 'poses NO risk to the public' Daily Mail Online Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Secondhand vaping: The latest vaping health risk CNET Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice