E Cigarettes Vaping with Juul & Other Electronic Cigarettes It may look trendy, but vaping is silently damaging your lungs. Behind the flavored puffs lie chemicals like diacetyl known to scar and narrow your airways permanently. The damage leads Frontiers The Evolving E cigarette: Comparative Chemical Analyses of E cigarette Vapor and Cigarette Smoke Some e cigarettes contain chemicals that cause popcorn lung Vox E cigarette flavorings may damage cilia production and function Harvard Gazette Dynamic Chemistry and Toxicity of E Cigarette Aerosols and Their Product Waste Chemical Research in Toxicology