About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Science & Tech Spotlight: E cigarettes U.S. GAO E cigarettes: Facts, stats and regulations HealthMatch Vaping may be safer than cigarettes, but it's not safe E cigarettes are changing how nicotine is consumed and perceived. Patterns of use often differ from traditional smoking, with more frequent and prolonged exposure throughout the day. This raises questions about cumulative