Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science How Smoking vs Vaping Affects Your Lungs You Must See This ! ! 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, Vaping vs Cigarettes Health Impacts Compared Half as many Britons' vape as smoke