All about vapes what's in them, how do they work, and more Philip Morris International Just the Facts: Vaping SAFE Project 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 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