Researchers Find Toxic Metals in E Cigarette's Johns Hopkins Bloomberg School of Public Health Our Campus Johns Hopkins Bloomberg School of Public Health BSPH Wins Eight Anthem Awards Johns Hopkins Bloomberg School of Public Health Vaping Q&A: Johns Hopkins Expert on E Cigarettes and Tobacco Alternatives Johns Hopkins Bloomberg School of Public Health 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 research@BSPH Johns Hopkins Bloomberg School of Public Health