Secondhand Vaping: E Cigarettes Pose a Risk to More Than Just the User Eastburn Hypnotherapy Center Denver, CO ? () 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 smoke and vape can trigger your child's asthma attacks. Smoking and vaping are unhealthy for everyone but especially harmful for people with asthma. Whether at home, in the car, or Debunking 7 Myths About Secondhand Smoke HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. Secondhand vape exposure: Risks and side effects