Thursday, March 14, 2019

Analysis of Cancer - The Enemy Within Essay examples -- Exploratory Es

crabby person - The Enemy Within Abstract genus Cancer has been known and fe atomic number 18d since antiquity, but its imperative danger could only be realise until fairly recently. Indeed as knowledge of the disease grew in the nineteenth and twentieth centuries, fear increased when people became more aware that roughly cancers had no available cure. Cancer is a disease in which defective cells reproduce without control, destroy healthy tissue, and eventually cause deterioration to the body. This news report is a discussion on how cancer develops and spreads, some of the various types of cancer, and the causes of the disease. Cancer is a disease in which cells multiply without control, destroy healthy tissue, and display life. About 100 kinds of cancer onrush human beings. This disease is a leading cause of death in m any(prenominal) countries. In the joined States and Canada, only diseases of the heart and the blood vessels kill more people. Cancer occurs in most species of animals and in many kinds of plants, as well as in human beings. Cancer strikes people of all ages but especially middle-aged persons and the elderly. It occurs about equally among people of both sexes. The disease can attack any part of the body and may spread to virtually any other part. However the parts of the body which are most practically affected are the skin, the female breasts, organs of the digestive, respiratory, reproductive, blood-forming, lymphatic, and urinary systems. The various cancers are classified in two ways. The primary body site, as and by the type of body tissue in which the cancer originates. They can gum olibanum be divided further in to two main groups carcinomas and sarcomas. Carcinomas are cancers that start in epitheli... ...r are fatal. In the past, the methods of treatment gave patients little entrust for recovery, but the methods of diagnosing and treating the disease have improved greatly since the 1930s. T oday, about half of all cancer patients survive at least phoebe bird years after treatment. People who remain free of cancer that big after treatment have a good chance of rest permanently free of the disease. But much research remains to be done to find methods of preventing and curing cancer. Bibliography Allison, Trent. Background into Medicine. New York Lincoln Press, 1982. Drummond, Phillip. Cancer. first ed. New York Prentice Hall Publishers, 1984 Harris, Jules E.. Cancer. Encyclopedia Britannica. 1993 ed. Sipp, Warren. Encyclopedia to Cancer. New York interior(a) Academy Press,1989. Veels, Thomas. Science of Cancer. Washington DC, 1984.

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