Just the Facts: Vaping SAFE Project All about vapes what's in them, how do they work, and more Philip Morris International Vaping devices have become increasingly popular, especially among younger people. The Centers for Disease Control and Prevention (CDC) suggests that almost 6% of middle and high school students in the United States E cigarettes: Facts, stats and regulations Parents: Talk to Your Kids About Vaping Even nicotine free vapes can contain harmful substances and pose risks. Open, honest conversations help teens make safer choices and stay healthy. Start E Cigarettes (Vapes) Smoking and Tobacco Use CDC