Examining the vulnerability of ambivalent young adults to e cigarette messages San Diego Pediatricians Children's Primary Care Medical Group Archive Teens and Vaping:What Parents Need to Know 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 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