Can E Cigarette use be Beneficial to Patients with COPD? Red Vape 5 year longitudinal study finds e cigs and cigs have similar risks for respiratory disease and COPD; dual use is worse Stanton Glantz blog The Updated Meta Analysis of E Cigs & Health Outcomes: Still Critically Flawed Vaping and COPD: Is There A Link? A new study published in Nicotine & Tobacco Research found that those using e cigarettes alone were more than twice as likely to develop COPD than people who didn't use any tobacco products,