Vapers & Hookah Smokers Exhale Through Nose More Often Than Cigarette Smokers NYU Langone News If someone smokes outside, do they bring thirdhand smoke indoors with them? Thirdhand Smoke Resource Center Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department What does the smell of stale tobacco smoke mean? Thirdhand Smoke Resource Center 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.