According to a Centers for Disease Control and Prevention (CDC) study, 40% of U.S. adults believe that children's exposure to secondhand aerosol from e cigarettes causes only some or little harm, and 5% ? () 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 Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. Vaping: More teens exposed to dangerous secondhand smoke ABC7 Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects