Is Second Hand Vape Harmful Children At Risk: Emory Study Uncovers The Hidden Dangers Of Secondhand Vape Exposure Second Hand Vaping Vs Smoking Secondhand Smoke vs Vape: What the Science Says Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign. 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