Inhale this: What does vaping do to your lungs? E cigarettes contain hazardous substances, addictive and harmful Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica No, vapes aren't 95% less harmful than cigarettes. Here's how this decade old myth took off Vaping vs. Smoking: Is Vaping Better Than Smoking? Vapor Hiding Dangerous Ingredients: E Cigarette Concoctions Are Far from Safe American Lung Association