Effect of second hand fumes from vaping on young lungs What Are the Risks from Secondhand Vape Smoke? NVB Inc. ? () 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 e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC13 Houston Secondhand vape exposure: Risks and side effects Health: In secondhand vape, scientists smell risk Journal Courier