E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Talking to Your Teen Who Vapes University of Rochester Medicine 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. Did you know that about 1 in 5 high school students report using e cigarettes or vaping products? Vaping and nicotine use are serious health concerns for teens. Many vaping products are not Teens Are Getting Sick From Products With High THC Levels The New York Times Can Vaping Cause a Headache?