Cigarette smoke can reprogram cells in your airways, causing pulmonary disease to hang on after smoking ends Chronic Obstructive Pulmonary Disease (COPD) Can E cigarettes help COPD patients quit smoking and reduce harm to lungs? Is lung inflammation worse in e cigarette users than smokers, as a new study suggests? Health News The Indian Express Smoking cigarettes has long been proven to cause severe lung damage, including chronic obstructive pulmonary disease (COPD), emphysema, and lung cancer. Over time, cigarette smoke destroys lung tissue, fills airways with tar, Association of electronic cigarette use and risk of COPD: a systematic review and meta analysis npj Primary Care Respiratory Medicine