What Chemicals Are Present in Secondhand Vape Emissions? ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Effects Of Second Hand Vape Smoke Smoking and Lungs: Understanding the Impact on Breathing and Your Secondhand vape plumes could form lung damaging radicals American Chemical Society Vaping: Clearing the Air Baker Institute More middle and high schoolers are getting exposed to secondhand vape aerosols, study indicates The Boston Globe