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. Information About Student Vaping for Curriculum Coordinators, Health Educators, and Teachers Mass.gov Health Effects of Vaping Smoking and Tobacco Use CDC E Cigarettes and Vaping Tear Pad Health Edco Infographic: E cigarettes & Cardiovascular Disease World Heart Federation The Dangers of Vaping and Oral Nicotine Use Among Youth