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. Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab Notes from the Field: Use of Electronic Cigarettes and Any Tobacco Product Among Middle and High School Students United States, 20112018 MMWR Alerting to the Dangers of E Cigarettes : Johns Hopkins Center for Innovative Medicine E liquide Limo Frost 50ml Vape Of Legends EliquidAndCo The Dangers of Vaping: Six Facts to Know Holland Hospital