? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes. Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Secondhand vape exposure: Risks and side effects