Vape bill eases restrictions on flavors, online advertising VERA Files Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Small device. BIG impact. Vapes are NOT harmless and many contain nicotine that can hook the brain in seconds, plus chemicals and metals that can damage the lungs. The earlier How do vapes work and what chemicals are inside them? BTN High The Chemistry of Vaping Products and Cigarettes: A Comprehensive Review Issuu