What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Smoke and vapor may disappear but the danger doesn't. That's why it is important to preserve smoke free spaces. Tobacco smoke and vape aerosol cause indoor air pollution increasing risk How Long Does Vape Smoke Linger in the Air? Vaping isn't just vapor. It's an aerosol filled with nicotine and chemicals that go deep into your lungs and straight into your bloodstream. Many vapes contain: Highly addictive nicotine