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 What Are Some Common Risks for Vaping? Which Smoking Habit Puts You Most at Risk? Puffing: What Does It Mean and What Are the Risks? Vaping Could Make You 40 Percent More Likely to Get Respiratory Disease The Brink Boston University Vaping & Lung Health: Comparing with Smoking