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, CoEHAR's study confirms beneficial effects of ecig on copd smokers Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat Vaping is not harmless. A new study from Johns Hopkins Medicine reveals that e cigarettes significantly increase the risk of COPD and high blood pressure. Our own Dr. Todd Hoopman shares firsthand accounts To Vape or Not to Vape: The Truth About E cigarettes Lions Talk Science