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 Electronic cigarette use and its association with asthma, chronic obstructive pulmonary disease (COPD) and asthma COPD overlap syndrome among never cigarette smokers Vaping' Increases Odds of Asthma and COPD Johns Hopkins Medicine Tobacco Smoke, Vaping, and Asthma AAFA.org How Does Smoking Cause COPD and What Are the Health Risks?