Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect Social Media Just Breathe Indiana Complete Guide to Secondhand Vaping Devices Vape Direct