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, Can Vaping Cause Lung Disease? Pulmonologist & Critical Care Medicine Specialists located in Allen, Mckinney and Plano, TX Fivestar Pulmonary Associates Vaping vs Cigarettes Health Impacts Compared Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas