Using nicotine based vapes is likely to cause lung and oral cancer, even if e cigarette users do not smoke tobacco, a watershed academic review has found. 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, Dual cigarette and e cig use increases human risk of lung cancer 40 times Stanton Glantz blog E cigarette risk perceptions an American crime scene The Counterfactual