Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Health effects of electronic cigarettes Wikipedia 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, The Impact of E Cigarettes and Asthma: What You Need to Know The Impact of Smoking and Vaping on Respiratory Health Blog Vaping vs. Smoking: Is One Really Safer Than the Other?