Poll: Americans Think Smoking Pot Is Less Harmful Than Cigarettes E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA No Evidence' That Heated Tobacco Products Are Less Harmful Than Cigarettes Health Policy Watch Harmful Effects of Vaping Vaping: What You Need To Know Community Parents District Home ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, E Cigarettes vs. Vaporizers: What's the Difference?