Frontiers The Interplay Between Respiratory Microbiota and Innate Immunity in Flavor E Cigarette Vaping Induced Lung Dysfunction The respiratory epithelium in the era of vaping: insights from in vitro, in vivo and human studies European Respiratory Society Cinnamon flavoured e cigarettes may damage lungs, study finds The Independent The Independent New Research: Smoking and Vaping Alters Key Lung Cells, Increasing Disease Risks