Practice Nursing How safe are e cigarettes for patients with COPD? A systematic review Practice Nursing US sees increase in severe Pulmonary disease, likely linked to E cigarettes Pharmaceutical Technology Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy COPD Patients Who Switch From Smoking to Vaping See Long Term Benefits