Johns Hopkins Bloomberg School of Public Health in Baltimore, MD (Google Maps) Knock Out Nicotine: Dangers of Vaping Warfighter Wellness 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 Invited Commentary: Attendance and Absence as Markers of Health StatusThe Example of Active and Passive Cigarette Smoking Presence of unknown chemicals in e cigarette found by Johns Hopkins researchers The Business Standard Endalkachew Melese, MD, MPH The Johns Hopkins University LinkedIn