A new study published in Nicotine & Tobacco Research found that those using e cigarettes alone were more than twice as likely to develop COPD than people who didn't use any tobacco products, Understanding Chronic Obstructive Pulmonary Disease (COPD Explained Clearly) YouTube 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, E cigarette use increases risk for developing major respiratory diseases The Role of Smoking in Asthma and Chronic Obstructive Pulmonary Disease Overlap Immunology and Allergy Clinics