E Cig Clouds Aren't 'Vapour', Scientists Warn. That Word Just Makes Them Sound Safer : ScienceAlert ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Vaping Could Cause Cardiovascular Harm, Researcher Says Here & Now Score One for Vapes in Smoking Cessation MedPage Today