Vaping: Understanding The Rise Of E Cigarettes Henry Ford Health Detroit, MI While vaping is not risk free, it is less harmful than tobacco Our World in Data 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 E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health E cigarettes contain hazardous substances, addictive and harmful