Propylene glycol, a component of electronic cigarette liquid, damages epithelial cells in human small airways Respiratory Research Springer Nature Link E liquide Menthe X Bar Cool Mint 10 ml 20 mg de nicotine All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center Tous nos e liquides menthe TAFFE ELEC Inhalation toxicity of thermal transformation products formed from e cigarette vehicle liquid using an in vitro lung model exposed at the Air Liquid Interface ScienceDirect E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine