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, Taille du march de la cigarette lectronique, tendances et prvisions jusqu''en 2034 Cessation tabagique New research suggests that vapes are likely to cause oral and lung cancer. Read about the study via the link in the comments.