E cigarettes 95% less dangerous? Myth, scientific lies, and manipulations Tabaccologia The Dangers of Vaping Pack News Juul Lawsuit Latest Updates & Juul Class Action Settlements ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Studies show that the negative health effects of e cigarettes are like that of traditional cigarettes. A Parkview expert explains the dangerous combination of highly addictive nicotine and the chemicals in e liquid.