How likely is your e cigarette to explode? Pourquoi la Puff , nouvelle cigarette lectronique jetable est elle si dangereuse ? ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat Have you been thinking about trying e cigarettes? Think again! Most e cigarettes contain #nicotine and harmful emissions. Some products claiming to be nicotine free have been found to contain nicotine. Nicotine is highly addictive