Secondhand Smoke vs Vape: What the Science Says Secondhand smoke and secondhand aerosol Vaping Vs. Cigarettes: Are Either Okay? Silver Lining Recovery E Cigarettes (Vapes) Smoking and Tobacco Use CDC ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC