E cigarettes less addictive than cigarettes, PATH study shows Penn State University ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Notes from the Field: Use of Electronic Cigarettes and Any Tobacco Product Among Middle and High School Students United States, 20112018 MMWR Vaping Information Substance Use Prevention Services Youth Services System, Inc. Youth Services System, Inc.