News Is Second Hand Vape Smoke Harmful? Secondhand Vape Exposure: Effects, Who's at Risk, and More Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Is Secondhand Vaping Harmful To Your Health? 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