What's in vapes? Toxins, heavy metals, maybe radioactive polonium Secondhand aerosol, sometimes referred to as vapor or vape", emitted by electronic cigarettes exposes bystanders to harmful elements such as nicotine, heavy metals, ultra fine particulates, volatile organic compounds, and other toxicants. A 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 Kids Health Info : Vaping and e cigarettes How do vapes work and what chemicals are inside them? BTN High Tabletop Vaping Prevention Banner for Schools Disposable Vape Awareness NIMCO, Inc.