What COPD Patients Should Know About Vaping and E Cigarettes LPT Medical E cigs: What You Need to Know if You Care for Patients with COPD Challenges in COPD 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, Vaping doubles risk of serious lung disease, even without smoking history study Professor Erwin Loh