? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Why Youth Vape Smoking and Tobacco Use CDC Millions of people are exposed to secondhand smoke every day. People living in multi unit housing are some of the most exposed. The only way to fully protect people from secondhand smoke at No, vapes aren't 95% less harmful than cigarettes. Here's how this decade old myth took off Vaping vs. smoking: Long term effects, benefits, and risks