Comparative Lung Experiment: Vaping vs. Cigarettes 5 Vaping Facts You Need to Know Johns Hopkins Medicine ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Smoking vs Vaping Which Is Worse? Is vaping worse than smoking a cigarette? Fedhealth Medical Aid Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals