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 Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology Tobacco and E Cigarettes My Story Today HealthMatch Vaping may be safer than cigarettes, but it's not safe