Vaping harmless. Chemicals like formaldehyde, arsenic, lead, chromium, and nickel are found in vape aerosol. They damage lungs. They harm developing brains. They raise cancer risks. Protect The Impact of Smoking and Vaping on Respiratory Health Blog Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus What Vaping Does to the Body Vapor from e cigarettes may impair the cells that line the lungs