Vaping likely to cause cancer: New research warns A major review led by researchers at UNSW Sydney says nicotine vaping may be linked to both lung cancer and oral Frontiers Review of quantitative and functional lung imaging evidence of vaping related lung injury Experts warn that flavored e cigarettes can cause irreversible lung damage, as seen in a U.S. teenager who developed "popcorn lung"a severe and permanent condition called bronchiolitis obliteransafter secretly vaping for three years. General mechanisms of action by which inhalation of e cigarettes' Download Scientific Diagram E cigarette use increases risk for developing major respiratory diseases