The Hidden Consequences of Vaping on Oral Health American Association of Orthodontists Inhale this: What does vaping do to your lungs? 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 Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times The dangers of vaping Baylor College of Medicine Blog Network No, vapes aren't 95% less harmful than cigarettes. Here's how this decade old myth took off