Cancer : The Disease That Causes Division Of Abnormal Cells Uncontrolled

1083 Words Apr 28th, 2016 5 Pages
Cancer is defined as the disease that causes division of abnormal cells uncontrolled. Cancer is responsible for one out of every five deaths in the United States. It is second only to heart disease as a cause of death in this country (“Cancer”). Cancer is not just one disease, but a group of almost one hundred diseases. Every year, millions of people are diagnosed with cancer. Out of those numbers 500,000 are expected to die of this disease (“Advance”). An average of 1/2 of men and 1/3 of women will develop cancer. Cancer research was limited to the twentieth century, infectious, epidemic diseases became less of a threat to the wealthy, industrialized world. In 1990s, it was estimated that 1/3 of the population had developed some form of cancer in the industrialized world. It was ¼ in the 1920s. 7.4 million deaths in 2004 resulted from cancer worldwide (“Advance”). The term cancer actually refers to several different forms of the disorder, which are defined in terms of the tissue of origin. A cancer that originates in connective tissues, bones, or muscle is called a sarcoma. The most common form of cancer originates in the epithelial tissues and organs, such as the breast, lungs, or stomach is known as a carcinoma. A sarcoma is a malignant tumor and carcinoma is a cancer arising in the lining of the internal organs. The World Health Organization (WHO) has classified cancers to be about a hundred, but specialists believe there are more than a hundred (“Advance”). Cancer…

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