432 Hotcakes: E cigarettes for smoking cessation, Gabapentin and COPD exacerbations, Lidocaine for neck pain, C diff risk by antibiotic type, and dosing by clicks for GLP1's The Curbsiders Comparative study of lung toxicity of E cigarette ingredients to investigate E cigarette or vaping product associated lung injury ScienceDirect Frontiers Inhalation of nicotine containing electronic cigarette vapor exacerbates the features of COPD by inducing ferroptosis in ENaC overexpressing mice Exclusive E cigarette Use Significantly Associated with COPD RT Frontiers More to Explore: Further Definition of Risk Factors for COPD Differential Gender Difference, Modest Elevation in PM2.5, and e Cigarette Use