To Vape or Not to Vape: The Truth About E cigarettes Lions Talk Science 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, Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat CoEHAR's study confirms beneficial effects of ecig on copd smokers Can E cigarettes help COPD patients quit smoking and reduce harm to lungs? Electronic cigarette use and its association with asthma chronic obstructive pulmonary disease (COPD) and asthma COPD overlap sy