Secondhand smoke and secondhand aerosol Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Secondhand vape exposure: Risks and side effects Exposure to secondhand vaping fumes among teens raises concerns UPI.com