Even Nicotine Free E Cig Vapor Damages Lung Cells IFLScience Lung cancer risks persist with e cigarette use after quitting tobacco smoking E cigarettes disrupt lung function and raise risk of infection A young woman says doctors diagnosed her with lung cancer after years of heavily using disposable vapes, adding to growing fears around the long term health effects of vaping. According to the report, Toxic metal, leached from e cigarette coil, permanently scars woman's lung Oxidized phospholipid and transcriptomic signatures of THC related vaping associated lung injury Scientific Reports