About E Cigarettes (Vapes) Smoking and Tobacco Use CDC What Are the Differences Between an E Cigarette and a Vape Kit? Vaping has been marketed as a healthier alternative to smoking. But, do you actually know what is in your vape? Turns out vapes contain heavy metals, cancer causing agents, and so many more All about vapes what's in them, how do they work, and more Philip Morris International Guide to Vapes and Cartridges: What is a Vape Pen? And How to Use it? 420 Science