E cigarettes can result in 'Popcorn Lung' 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 Chemicals Massachusetts new vaping campaign done with student input masslive.com E cigarettes contain hazardous substances, addictive and harmful Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram