What vaping does to your body 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 Vaping: Understanding the Risks and Impacts on Health Effects of Vaping Lung Foundation Australia Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. Is vaping safer than smoking? A pulmonologist weighs in.