Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Vaping is often marketed as harmless. Flavoured. Trendy. Safer than smoking. But the reality is far more serious, especially for children and teens. When kids vape, they are inhaling addictive nicotine and Do you know what's in a vape? Not just water vapor: why e cigarettes are so dangerous PUBLIC HEALTH INSIDER