Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America E Cigs and Second Hand Vaping: Dangers and Protections Differing Opinions About Second Hand Vape Exposure Vaping Post Tobacco Smoke, Vaping, and Asthma AAFA.org