Project Filter Secondhand Vape Informational Poster #2 Idaho Health Tools E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? 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. Does Vaping Cause Secondhand Smoke? Second hand smoke from e cigarettes 'poses NO risk to the public' Daily Mail Online Secondhand vape plumes could form lung damaging radicals American Chemical Society