Vaping and how it affects lung function ndd Medical Marijuana and Your Lungs: Is Vaping Safe for People with COPD? 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 Vaping May Seem Safer Than Cigarette Smoking, but It Still Raises Lung Disease Risk