Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand Smoke and Electronic Cigarette Aerosols US EPA What Are the Risks from Secondhand Vape Smoke? NVB Inc. 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. Department Our plans to protect future generations from the harms of tobacco and nicotine are back in Parliament this week. The Tobacco and Vapes Bill will help: children avoid a Solving secondhand "vape smoke" at workand at home