Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas Rethinking Vaping Many people believe that vaping is less harmful than smoking, but that's a common misconception. In fact, in addition to nicotine, vapes can contain toxic chemicals that could be linked to cancer, Is vaping better than smoking? Or is vaping worse than smoking? Can Vaping Cause Lung Disease? Pulmonologist & Critical Care Medicine Specialists located in Allen, Mckinney and Plano, TX Fivestar Pulmonary Associates Vaping and health