Script: -This web shows that the more cigarettes you smoke, the darker become your lungs. But, is it bad? Yes, the dark color of your lungs is caused by some components of the tar which is a component of tobacco. People think that cigarettes can help to relax you, but it is false, because nicotine is not a relaxant, it is a stimulant. And what is nicotine? Nicotine is the main component of tobacco, and a highly addictive drug. So tobacco is harmful, but, what issues can it produce? Okay, the principal risk of smoking is to suffer a lung cancer, which is very difficult to treat. It also can produce other cancers like: Oral, Uterine, Liver, Kidney, Bladder, Stomach, Cervical and Leukemia. But this is not all the disadvantages of smoking; if you smoke frequently you can suffer cataracts, psoriasis, gingivitis, osteoporosis or pulmonary emphysema. Finally tobacco affects to your physical aspect making your teeth green, damaging your skin and making your hair smell bad. Also if you practice sport, it reduces your performance, because smoking affects in the bodys production of collagen, which is needed for the health of ligaments and tendons. Tobacco can reduce your live in ten years! They can be more if you start smoking under 20 years. Smoking its very, very addictive because nicotine produces a need of smoke that is why so hard to stop smoking. And if you want to stop smoking, what can you do? First of all, the best thing you can do is never start smoking, avoid tobacco <b>…<b>