Is Vaping Bad for Your Heart UnityPoint Health How Smoking Affects Heart Health FDA Frontiers Electronic Cigarette Use and the Risk of Cardiovascular Diseases The Vape Heart: How vaping can make your circulation behave like early heart disease (even in your 20s) Many people think vaping is just flavored water vapor. It isn't. NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) E cigarette users 20 percent more likely to develop heart failure: Study