Understanding the Hidden Health Risks of Vaping UL Research Institutes Disposable vapes contain 'more toxic metals than 19 cigarette packs' UC Davis study: Disposable vapes may be more toxic than cigarettes Some vaping devices expose users to concentrated, dangerous toxins Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department 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