Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Home 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: The Health Risks and How to Quit HelpGuide.org XO Havana Cubana Disposable Cigar Royal Vapes What Vaping Really Does to Your Lungs University of Utah Health