Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine What is secondhand smoke: All about secondhand smoke that you should know PolitiFact When someone's vaping nearby, what are you breathing in? The risks of vape pens' secondhand aerosols