Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Can I be Affected by Secondhand Vape Smoke? Exposure to second hand nicotine from VAPING doubles risk of young adults developing a wheeze Daily Mail Online Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals