Does Smoking Cause Lung Cancer

1304 words 6 pages
INTRODUCTION

It's a proven fact. Each year more Americans die from lung cancer and other smoking related diseases than they die from aids, drug abuse, car accidents and homicide, combined. Cigarette smoking is a danger to our life and health. It is the leading known cause of lung cancer. Each year more than 30,000 people will die of lung cancer and 4 out of 5 of them will get it because of cigarette smoke. Studies have proven that there is no safe way to smoke. Tobacco contains many dangerous cancer causing chemicals that affects the lungs of the smoker and the nonsmoker, so smoking just a little amount can increase your chances of getting lung cancer. The Surgeon General has said that "smoking is the single most important
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The Smoke Damaged Lung About 90% of compounds inhaled in smoke remains in the lungs. The constant attack of cigarette smoking on the cells lining the bronchi can cause mucus-secreting cells to become enlarged and to increase the production of mucus. The cilia lining the air passaged become worn away and are then unable to sweep foreign particles out of the throat. This causes what is known as "smoker's cough." If the smoker quits at the time of these early changes, the inner surface of the bronchi can return to normal. If the smoker continues smoking beyond this stage can cause the lung cells to form abnormal growth patterns that may eventually become lung cancer.
The Cancerous Lung Cancer is a group of more than 100 diseases caused by the abnormal growth of cells. Normally, the body cells divide and reproduce in a orderly manner, so that we grow, replace work-out tissue, and repair any injuries. Sometimes, however, cells divide without control and form masses known as tumors. Tumors may invade or destroy normal tissue, interfere with body functions, and require removal by surgery. Benign tumors do not spread to other parts of the body. Cancerous or malignant tumors do. This can spread fast or over a period of years. Lung cancers tend to spread more quickly that most other types of cancer. This is because the lungs are richly supplied by the blood and lymph systems which cells to other parts of the body

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