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 ASDOH Student Works Dental Students' Perceived Knowledge Pertaining to E Cigarette Oral Health Effects Memorial Regional Health: E cigarettes a pathway to addiction Teen use of e cigarettes is rising, along with risks for long term health consequences CraigDailyPress.com 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. Vaping vs. smoking: what are the risks? Pacific Life Re Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology