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Cause, Causes And Effects Of Lung Cancer

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Lung cancer is the uncontrolled growth of abnormal cells in one or both lungs. The abnormal cells divide and grow into tumors. The tumor intrudes mostly in the air passages. 7.6 million people die of cancer worldwide each year, but 1,370,000 people die because of lung cancer (Medicalnewstoday). In the United States, 158,080 people are estimated to get lung cancer in 2017. Men are more likely to develop lung cancer than women. African American men are 28% more prone to getting lung cancer than white men and African American women develop lung cancer equally as white women, despite the fact they can smoke fewer cigarettes. (American Lung Association). Lung cancer can be genetic. If one of their parents have a mutated gene, it increases the chance of developing cancer. A portion of lung cancer patients have an autoimmune disease, however, lung cancer is not an autoimmune disease (American Cancer Association). Lung cancer is mostly caused by environmental factors. The most common cause is smoking. 80-90% contributes to lung cancer (American Lung Association). The symptoms include shortness of breath, a cough that will not go away, weight loss, and coughing up blood (WebMD). There are two main types of lung cancer, small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). Non-small cell cancer is the most common type of lung cancer. NSCLC accounts for 85% of lung cancer cases. There are three main types of cells found in NSCLC. They are adenocarcinomas, squamous

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