Analysis underscores the health risks of e cigarettes Pulmonary E Cigarettes Have No Benefit for COPD Patients Trying to Quit Smoking Links to E Cigarette Resources American Lung Association Electronic Cigarette Use in US Adults at Risk for or with COPD: Analysis from Two Observational Cohorts Journal of General Internal Medicine Springer Nature Link Electronic cigarette use and its association with asthma, chronic obstructive pulmonary disease (COPD) and asthma COPD overlap syndrome among never cigarette smokers Can E cigarettes help COPD patients quit smoking and reduce harm to lungs?