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 How To Tell If Your Tenant Has Been Smoking Inside Your Unit Ellicott Development Vaping vs. Smoking Weed: Is One Safer? Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center