Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Secondhand vape aerosol can contain particles and chemicals that may affect indoor air quality. Research continues to examine possible respiratory impacts. Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Exposure to secondhand vaping fumes among teens raises concerns UPI.com