Smoking, Tobacco, E Cigarettes and Oral Health Growing Smiles 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. Frontiers Beyond the label: current evidence and future directions for the interrelationship between electronic cigarettes and mental health 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 E Cigarettes and Vaping Tear Pad Health Edco