Thirdhand Smoke Resource Center Protecting Californians Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica 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 If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Dangers associated with e cigs Poison Control