E Cigarettes and Lung Health American Lung Association Vaping and Electronic Cigarette (E Cigarette) Products Cattaraugus County Website 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. E cigarettes a tool to reduce inequalities in smoking? UCL Institute of Epidemiology and Health Care Blog E cigarettes & Vaping Positive Choices