Does vaping indoors cause mould and stains on the wall? Cumnock Chronicle Secondhand Smoke and Electronic Cigarette Aerosols US EPA 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 No Smoking sign now include Vape and Marijuana : r mildlyinteresting