Problems with Smoking: Why is Smoking Dangerous? Everybody knows that smoking is dangerous. Smoking can damage our body, For Example, your lungs, your brain, and your heart. The poisonous chemicals in a cigarette can cause death. Think about this, if you smoke you won't be able to run fast or jump as high if you can't breathe properly. Another problem is that you can get addicted easily by one of the chemicals called Nicotine. Nicotine can make you feel hyper sometimes. The more you smoke, the more you want to continue to smoke. Your body becomes physically dependent on the drug and begins to crave it.
