The role of cigarette smoke induced pulmonary vascular endothelial cell apoptosis in COPD Respiratory Research Springer Nature Link Practice Nursing How safe are e cigarettes for patients with COPD? A systematic review Practice Nursing Can Vaping Help Reverse COPD Harm? Vaping360 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,