Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Secondhand vape plumes could form lung damaging radicals American Chemical Society Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Should I Be Concerned About Secondhand Vaping? Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY Differing Opinions About Second Hand Vape Exposure Vaping Post