Prvalence chez les jeunes RDC 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 : Faisons le point. The Demographics of E Cigarette Users [Part 1 of 3 Part Series] The Demographics of E Cigarette Users [Part 1 of 3 Part Series]