Cancer Essay -- essays research papers fc

CancerRight now, pubic louse is one of the most feared diseases in the world. Inthe early 1990s nearly 6 million new malignant neoplastic disease cases developed and more than 4million lasts from cancers occurred. Also more than one-fifth of all deathswere ca utilize 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 killing people all over the world.The scope of cancer study is called Oncology. The government has spentbillions of dollars on research of this fatal disease. Cancer is the mostaggressive disease of a larger class cognise as neoplasms. Neoplasms do not fullycomply with the parts of the cell that control the growth and functions of thecell. These cells eventually become abnormal growths and can be accept asnot normal thread. These traits are passed down as the cell reproduces thereforespreading the cancer.Neoplasms are generally classified into two group s malignant and benign.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. Ofgreater importance, benign tissue does not metastasize, or begin to grow inother sites, alike(p) malignant tumors do. Cancer always refers to metastasizedtumors but the term tumor is not always necessarily cancer. A tumor is anyliving tissue that is decided as abnormal living tissue. After acancer forms, it can also change from a benign to a malignant state, therefore make the cell grow at a more rapid rate. The development of the cell startswhen it forms notable abnormalities in chromosomes and then 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 super C cancer, then pr ostatecancers in males, and then breast cancer in women. Leukemia is clearly thedominant cancer in children. The number one killing cancer in the world today islung cancer, mostly caused by the smoking of cigarettes. Some researchers havestated that if Americans stopped smoking, lung-cancer deaths could disintegratewithin two decades. Stomach cancer is ... ...e cancerous legions in the body. The second is radiationtherapy, which uses radiation to try and kill the tumor. One of the mainproblems with that is not only does it kill cancerous tissue, it also kills honorable ones. The third way to sue cancer is chemotherapy, which is treatmentby chemical agents. The chance of complete cure is not common but it is usuallyused to increase the life of the carrier. The desired effect of treatment incancer patients is remission, where the cancer is gone from your body and if itdoes not return within 5 days it is considered cured.Right now the government is spending huge sums of money on can cerresearch. They are continuously finding cures and finding better ways to treatand deal with cancer. Research has come very far and helped many people fightcancers. Thanks to all the work done, cancer is still a fear disease but isnow curable which gives many people faith in recovery.BibliographyComptons encyclopaedia(1992). Cancer . Chicago Comptons Learning CompanyEncyclopedia Britannica(1992). Cancer. Chicago Encyclopedia Brittanica, Inc.American Cancer Society website(1996) http//www.cancer.org/acs.html