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. How E Cigarettes Affect Your Body E Cigarettes and Lung Health American Lung Association Let's Talk about VAPING for Children and Teens! Jacques Memorial School Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology