Electronic cigarette use and its association with asthma, chronic obstructive pulmonary disease (COPD) and asthma COPD overlap syndrome among never cigarette smokers New Study Links E Cigarette Use to Increased Risk of COPD and Hypertension Chronic electronic cigarette exposure in mice induces features of COPD in a nicotine dependent manner Thorax What COPD Patients Should Know About Vaping and E Cigarettes LPT Medical