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: Safe? Or Are Your Lungs Going Up In Smoke? What surfaces does thirdhand smoke stick to? Thirdhand Smoke Resource Center The great vape debate: are e cigarettes saving smokers or creating new addicts? Vaping The Guardian