Should I Be Concerned About Secondhand Vaping? Vaping Harmless. Vape aerosol contains toxic chemicals like formaldehyde, arsenic, lead, chromium, and nickel. They damage lungs. They harm developing brains. They raise cancer risks. We ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, There are no safe tobacco products, and yes, that includes vapes. The sleek, battery powered devices heat up liquid packed with nicotine and other harmful chemicals that turn into an aerosol you inhale gov.sg Vaping is more harmful than cigarettes. Don't be fooled. One vape pod has as much nicotine as 50 cigarettes, damaging your lungs, brain and Instagram Psychiatry.org Vaping is Unhealthy. Tips and Resources to Help Quit.