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 Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy 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 The Impact of E Cigarettes and Asthma: What You Need to Know Frontiers More to Explore: Further Definition of Risk Factors for COPD Differential Gender Difference, Modest Elevation in PM2.5, and e Cigarette Use E Cigarettes and Lung Health American Lung Association