HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. What is secondhand smoke: All about secondhand smoke that you should know Differing Opinions About Second Hand Vape Exposure Vaping Post 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 Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London