As disposable e cigarettes become more common, schools and communities are facing a new challenge: vape waste. These devices contain plastics, lithium batteries, and toxic chemicals that are often discarded improperly, creating risks 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 E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health What's inside a vape? The Danger of Chemicals Used in Vape Liquid The Science Blog Vape Waste 2