Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab E cigarettes are changing how nicotine is consumed and perceived. Patterns of use often differ from traditional smoking, with more frequent and prolonged exposure throughout the day. This raises questions about cumulative Health effects and known pathology associated with the use of E cigarettes ScienceDirect HealthMatch Vaping may be safer than cigarettes, but it's not safe