E cigs are exploding in vapers' mouths, leaving gruesome injuries The Seattle Times Dcouvrez nos Cigarette lctronique Bruxelles CigaretteElec : boutique E Cigarettes et E liquides en ligne Harmful Effects of Vaping Chart Health Edco E cigarettes & Vaping Positive Choices 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.