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 2nd Hand Vape Smoke Effects Second hand e cigarette vapour increases risk of poor respiratory health, study finds Is Second Hand Vapor from E Cigarettes Dangerous? [Infographic] The Local Brand It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek