Evidence for harm reduction in COPD smokers who switch to electronic cigarettes

[Respiratory Research, Dec. 2016 A retrospective chart review of patients with COPD found that patients who used electronic cigarettes had a marked reduction in their cigarette consumption, fewer COPD exacerbations and an increased ability to perform physical activities compared to regularly smoking COPD patients. These findings suggest that electronic cigarettes may aid smokers with COPD to reduce their cigarette consumption or maintain abstinence, resulting in fewer health complications from their COPD and an improved quality of life. 

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