Cigarette smoke can reprogram cells in your airways, causing COPD to hang on after smoking ends Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab Can E Cigarette use be Beneficial to Patients with COPD? Red Vape Vaping' Increases Odds of Asthma and COPD Johns Hopkins Medicine What are the respiratory effects of e cigarettes? The BMJ