Notes from the Field: Use of Electronic Cigarettes and Any Tobacco Product Among Middle and High School Students United States, 20112018 MMWR ADHS Provides Education to Arizona Youth About the Dangers of E Cigarettes AZ Dept. of Health Services News Vaping dangers: Reports of burns, injuries from exploding e cigarettes The Denver Post 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.