Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology Vaping vs. smoking: what are the risks? Pacific Life Re ASDOH Student Works Dental Students' Perceived Knowledge Pertaining to E Cigarette Oral Health Effects Known Health Effects of E Cigarette Use Kansas Health Institute Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health.