Tobacco and Public Health Johns Hopkins Bloomberg School of Public Health BSPH Wins Eight Anthem Awards Johns Hopkins Bloomberg School of 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. adults who frequently use e cigarettes, along with related use Johns Hopkins Bloomberg School of Public Health Baltimore MD 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