Why Flavored E Cigarettes are Bad for You Roswell Park Comprehensive Cancer Center Buffalo, NY ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Read "Public Health Consequences of E Cigarettes" at NAP.edu Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas