Cancer Essay -- essays research papers fc

crabby personRight at one time, crabby person is one of the most fe ared diseases in the globe. Inthe early 1990s around 6 million new pubic louse cases developed and to a greater extent than 4million deaths from crabmeats occurred. Also more than one-fifth of wholly deathswere caused by malignant neoplastic disease and it has been predicted, by the American Cancer Society,that about 33% of Americans will lastly develop this disease. This is a greatdisease that is killing people all over the world.The field 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 known as neoplasms. Neoplasms do non fullycomply with the parts of the cell that control the growth and functions of thecell. These cells eventually beseem ab dominion growths and can be recognized asnot habitual interweave. These traits are passed down as the cell reproduces thereforespreading the c ancer.Neoplasms are generally classified into two groups malignant and benign.Malignant tumors, or deviate weave, grow more rapidly than benign tissue andthey invade normal tissue. Benign tissue is structured similar to normal tissue eyepatch malignant tissue is abnormal and has an unstructured appearance. Ofgreater importance, benign tissue does not metastasize, or begin to grow inother sites, bid malignant tumors do. Cancer always refers to metastasizedtumors but the term tumor is not always necessarily cancer. A tumor is anyliving tissue that is distinguishable as abnormal living tissue. After 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 then multipliesexceedingly. thus metastasis commonly occurs and generally causes the death ofthe host. There are many disparate cancers which form on just about all parts ofthe body. In the US, skin cancer is the most common cancer, then prostatecancers 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 have say that if Americans stopped smoking, lung-cancer deaths could disintegrate at heart two decades. Stomach cancer is ... ...e cancerous legions in the body. The second is radiationtherapy, which uses radiation to try and kill the tumor. nonpareil of the mainproblems with that is not only does it kill cancerous tissue, it also kills wholesome ones. The third way to treat cancer is chemotherapy, which is treatmentby chemical substance 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 years it is considered cured.Right now the government is spending huge sums of money on cancerresearch. They are continuously decision cures and finding better ways to treatand deal with cancer. Research has come actually far and helped many people fightcancers. Thanks to all the imprint 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