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, Cessation tabagique Association pulmonaire du Qubec L'OMS appelle renforcer la rglementation des cigarettes lectroniques Industrie du tabac : deux compagnies rcalcitrantes retirent leurs objections Radio Canada