Association of electronic cigarette use and risk of COPD: a systematic review and meta analysis npj Primary Care Respiratory Medicine E Cigarettes and Vaping PPAC Central Are E Cigarettes a Safe Alternative to Smoking? Using Airway Cell Cultures to Assess Early Indicators of COPD Progression Inquiries Journal Top 5 favorite pro vaping pro harm reduction studies. There are tens of thousands of them, but there are my five favorite most compelling studies done on the topic of nicotine vaping for tobacco Pooled OR for greater odds of developing COPD among ever e cigarettes Download Scientific Diagram Vaping is not harmless. A new study from Johns Hopkins Medicine reveals that e cigarettes significantly increase the risk of COPD and high blood pressure. Our own Dr. Todd Hoopman shares firsthand accounts