Cinnamon flavoured e cigarettes may damage lungs, study finds The Independent The Independent Frontiers The Interplay Between Respiratory Microbiota and Innate Immunity in Flavor E Cigarette Vaping Induced Lung Dysfunction Vaping Associated Pulmonary Injury Physiopedia Smoke signals in the DNA of normal lung cells Toxic metal, leached from e cigarette coil, permanently scars woman's lung