Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand Smoke vs Vape: What the Science Says Effect of second hand fumes from vaping on young lungs Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Is Vape Smoke Bad For Second Hand Evidence Mounts About the Health Impact of Second Hand Vaping Complete Guide to Secondhand Vaping Devices Vape Direct