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 Is Vaping Better Than Smoking? American Heart Association Is Vaping Worse Than Smoking? St. Vincent's Medical Center It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Experts urge parents not to vape near kids as study finds second hand vapor causes build up of chemicals linked to CANCER Daily Mail Online Complete Guide to Secondhand Vaping Devices Vape Direct