Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Secondhand vape exposure: Risks and side effects Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Effect of second hand fumes from vaping on young lungs Tobacco Smoke, Vaping, and Asthma AAFA.org