The health risks of secondhand smoke are widely understood. But what about secondhand vaping? ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Secondhand Vape Exposure: Effects, Who's at Risk, and More Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not