Secondhand vape plumes could form lung damaging radicals American Chemical Society Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN 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. Secondhand Vape Plumes Could Form Lung damaging Radicals Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center