What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping among teens declines, but health risks and addiction remain a concern News VAPES ARE FAR FROM HARMLESS. The Carnivore Bar While vaping is not risk free, it is less harmful than tobacco Our World in Data 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 Are Disposable Vapes Safe? EDGE Vaping