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, Young Beautiful Woman Smoking Vape Coughing Stock Photo 2041511216 Shutterstock Young People Are at Risk of Harsh Respiratory Problems After 30 Days of E Cigarette Use, Study Says Get Smart About Drugs Inhale this: What does vaping do to your lungs?