Metals found in disposable e cigarette vapor could pose health risks American Chemical Society Are Disposable Vapes Safe? EDGE Vaping UC Davis study: Disposable vapes may be more toxic than cigarettes 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 150 million vapes end up in the landfill each year in the United States., Their plastic cases will persist in our environment for hundreds of years and many contain lead and mercury that can leach