How E Cigarettes Affect Your Body New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Think Before You Vape! Vaping isn't harmlesse cigarettes can contain nicotine, heavy metals, and harmful chemicals. Risks include addiction, lung injury, and heart issues. Protect your health and make informed choices! # Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas HealthMatch Vaping may be safer than cigarettes, but it's not safe The Dangers of Vaping & E Cigarettes