Johns Hopkins Medicine Team Proposes Ways to Regulate and Better Manage E Cigarette Use Johns Hopkins Medicine Dangers of E Cigarette Use and Vaping Among Teens WakeMed Johns Hopkins Public Health The Johns Hopkins Institute for Global Tobacco Control's VAPER Study collected data on the most commonly used devices and liquids by U.S. Instagram 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