In secondhand vape, scientists smell risk American Heart Association Secondhand smoke from cigarettes worse than vapes UPI.com ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me Vaping vs Cigarettes Health Impacts Compared