Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase 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. It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Secondhand vape plumes could form lung damaging radicals American Chemical Society