Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Chemicals Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure More children are being poisoned by e cigarette liquids. Here's what parents need to know