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