Juul study shows secondhand vaping emissions are less toxic than cigarette smoke New House bill would add statewide restrictions for new vape or smoke shops in W.Va. Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Is Secondhand Vape Smoke Bad for You? Baton Rouge General 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