Our researchers are studying the effects of vaping on the lungs and airway., They found several components in e cigarettes damage cells that help protect us from viruses. , Dr. Fariba Rezaee explains 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, Understanding the Dangers of Vaping: EVALI and Lung Injury What happens to your lungs from smoking? UT MD Anderson