What COPD Patients Should Know About Vaping and E Cigarettes LPT Medical National Emphysema Foundation E cigarettes are Poor Substitutes for Conventional Smoking in COPD Patients 5 ways that vaping can damage your body CoEHAR's study confirms beneficial effects of ecig on copd smokers E Cigarette use linked to COPD and hypertension in large study 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