What COPD Patients Should Know About Vaping and E Cigarettes LPT Medical 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, National Emphysema Foundation National Emphysema Foundation Comparative study of lung toxicity of E cigarette ingredients to investigate E cigarette or vaping product associated lung injury ScienceDirect Marijuana and Your Lungs: Is Vaping Safe for People with COPD? Vaping May Seem Safer Than Cigarette Smoking, but It Still Raises Lung Disease Risk