As youth vaping surges, U.K. moves to ban disposable e cigarettes STAT The devices, popular among teens, emit lead, nickel and antimony at concentrations that may exceed cancer and neurological risk thresholds. Vapes Tobacco Stops With Me Disposable Vape Ban: What You Need to Know Firechief Global Researchers Find Toxic Metals in E Cigarette's Johns Hopkins Bloomberg School of Public Health Vaping Harmless. Vape aerosol contains toxic chemicals like formaldehyde, arsenic, lead, chromium, and nickel. They damage lungs. They harm developing brains. They raise cancer risks. We