Vaping and COPD E Cigarettes May Cause COPD. Here's Why Prince Court Medical Centre CoEHAR's study confirms beneficial effects of ecig on copd smokers 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 Another Gross Reason to Put Down the E Cigarettes American Lung Association PDF) COPD smokers who switched to e cigarettes: health outcomes at 5 year follow up