There are many things that can harm your body. Unhealthy things can harm you when you eat, when you breathe or through your skin. You can also get unhealthy while you breathe too much pollution. Some diseases can harm your body as well.
Smocking makes you unhealthy, or even kills you. There are many harmful things in tobacco smoke. Carbon monoxide is one of the ingredients in it. It is poisonous. It takes the place of your oxygen and it also makes your heart and lungs work harder. There are 3 types of smoke: cigarettes, cigars and tobacco. Nicotine is addictive and wants to smoke more and more. It makes your teeth yellow. It can also harm your heart and your blood vessels. Tar is very sticky and makes you cough. It can also make your lungs work harder to get the oxygen in your blood.
Drugs and medicines
Drugs can change how your body works. Drugs and medicines can help you if you are ill but some drugs such as tea coffee and coal are not against the law. To get some medicines you need to go to the doctor and some can be bought from a pharmacy or a shop. Some people use bad drugs and cannot stop taking them.
Sunbathing is good for you for a few minutes every day but not too much. It gives you vitamin D that makes yopur teeth and bones healthy. But sun bathing can also harm your body causing skin cancer from UV rays.
Now you know which things are good for you and which things are bad for you. So remember smoking, drugs and sun bathing can kill you or make you ill. Watch out!