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 Chronic electronic cigarette exposure in mice induces features of COPD in a nicotine dependent manner Thorax COPD and Vaping: Understanding the Risks and Long Term Effects CoEHAR's study confirms beneficial effects of ecig on copd smokers