Tobacco use is one of the leading causes of death in the world and is a preventable risk factor of noncommunicable diseases for example cancer and heart disease. There is no safe E Cigarettes and Vaping Is vaping bad for you? HCF E cigarettes: Facts, stats and regulations 5 Vaping Facts You Need to Know Johns Hopkins Medicine Instead of lighting up a cigarette, many people are now using electronic cigarettes as a healthier alternative to the bad habit. But what are the risks of using these relatively new devices?