Cancer Essay -- essays research papers fc

crabby personRight now, pubic louse is one of the most fe ard distempers in the world. Inthe archaeozoic 1990s almost 6 million new cancer cases real and more than 4million deaths from cancers occurred. Also more than one-fifth of in in all deathswere caused by cancer and it has been predicted, by the American Cancer Society,that about 33% of Americans will eventually develop this disease. This is a hugedisease that is violent death people all over the world.The field of cancer study is called Oncology. The disposal has spentbillions of dollars on research of this fatal disease. Cancer is the most raptorial disease of a larger class known as neoplasms. Neoplasms do not fullycomply with the parts of the cell that control the emergence and functions of thecell. These cells eventually become ab convening growths and can be recognized asnot normal tissue. These traits are passed down as the cell reproduces accordinglyspreading the cancer.Neoplasms are generally classified int o two groups malignant and benignant. malignant tumors, or abnormal tissue, grow more rapidly than benign tissue andthey invade normal tissue. Benign tissue is structured similar to normal tissuewhile malignant tissue is abnormal and has an unstructured appearance. Of great importance, benign tissue does not metastasize, or begin to grow inother sites, like malignant tumors do. Cancer always refers to metastasizedtumors but the stipulation tumor is not always necessarily cancer. A tumor is bothliving tissue that is distinguishable as abnormal living tissue. later on acancer forms, it can also change from a benign to a malignant state, thereforemaking the cell grow at a more rapid rate. The development of the cell startswhen it forms notable abnormalities in chromosomes and because multipliesexceedingly. Then metastasis usually occurs and generally causes the death ofthe host. There are many different cancers which form on just about all parts ofthe body. In the US, skin cancer is the most commons cancer, then prostatecancers in males, and then breast cancer in women. Leukemia is all the way thedominant cancer in children. The number one killing cancer in the world today islung cancer, mostly caused by the smoking of cigarettes. few researchers havestated that if Americans stopped smoking, lung-cancer deaths could disintegratewithin two decades. deliver cancer is ... ...e cancerous legions in the body. The second is radiationtherapy, which uses radiation to afflict and kill the tumor. One of the mainproblems with that is not only does it kill cancerous tissue, it also killshealthy ones. The third way to treat cancer is chemotherapy, which is wordby chemical agents. The chance of complete cure is not common but it is usuallyused to increase the life of the carrier. The desired ready of treatment incancer patients is remission, where the cancer is gone from your body and if itdoes not return within 5 years it is considered cured.Right now the dispos al is spending huge sums of money on cancerresearch. They are continuously finding cures and finding better ways to treatand deal with cancer. search has come very far and helped many people fightcancers. convey to all the work done, cancer is still a dreaded disease but isnow curable which gives many people faith in recovery.BibliographyComptons encyclopedia(1992). Cancer . Chicago Comptons Learning CompanyEncyclopedia Britannica(1992). Cancer. Chicago Encyclopedia Brittanica, Inc.American Cancer Society website(1996) http//www.cancer.org/acs.html