Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Is Second Hand Vaping Harmful? EDGE Vaping Tobacco Smoke, Vaping, and Asthma AAFA.org Differing Opinions About Second Hand Vape Exposure Vaping Post 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 Thirdhand Smoke Resource Center Protecting Californians