Are Disposable Vapes Safe? EDGE Vaping 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 E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine New Survey Reveals Scale of Disposable Vape Black Market Metals found in disposable e cigarette vapor could pose health risks American Chemical Society Teen vaping linked with toxic lead exposure, study finds CNN