What is vaping? Don't Get Sucked In Many people believe that vaping is less harmful than smoking, but that's a common misconception. In fact, in addition to nicotine, vapes can contain toxic chemicals that could be linked to cancer, 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 Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times 5 Vaping Facts You Need to Know Johns Hopkins Medicine E Cigarettes (Vapes) Smoking and Tobacco Use CDC