PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers How E Cigarettes Affect Your Body Comparative study of lung toxicity of E cigarette ingredients to investigate E cigarette or vaping product associated lung injury ScienceDirect Mechanisms of E Cigarette Vape Induced Epithelial Cell Damage Menthol flavoring in e cigarette condensate causes pulmonary dysfunction and cytotoxicity in precision cut lung slices American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society Health Risks of E Cigarettes and Vaping American Lung Association