Radiation therapy uses high-energy radiation to shrink tumors and kill cancer cells. X-rays‚ gamma rays‚ and charged particles are types of radiation used for cancer treatment. The radiation may be delivered by a machine outside the body called a linear accelerator to focus x-rays directly on the tumor or tumor bed (external-beam radiation therapy)‚ or it may come from radioactive material placed in the body near cancer cells (internal radiation therapy‚ also called brachytherapy). Systemic
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#:304034 Date: 21/04/2014 Topic: CANCER General Purpose: To inform for audience about cancer Specific Purpose: To provide bad effect to anyone and how to prevent it Central idea: Cancer is a serious disease that may be preventable and curable. INTRODUCTION: I. Attention getter: More than 1/2 million people are expected to die of cancer in a year That ’s more than 1‚500 a day An average of 1/2 of men and 1/3 of women will develop cancer II. Reason to listen: Cancer can affect anyone‚ so from
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Health April 14‚ 2013 CVD and Cancer After taking the cancer and CVD risk assessment I learned that aside from working in the sun without protection‚ smoking is my largest risk for cancer or CVD. Aside from these two risk factors I live a fairly healthy life‚ I work harder than most people my age can even fathom from their deep-fryer station at McDonald’s‚ I eat fairly well and I seldom find myself stationary. My top-dog risk factor as determined by the cancer and CVD risk factor assessment
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American Lung Association “The American Lung Association has been in existence for over 100 years. It is the America’s oldest volunteer health organization founded in 1904‚ as the National Association for the study and prevention of tuberculosis. It operates through a network of about 200 local offices across the United States as well as Puerto Rico and the U. S. Virgin Islands.” (www.answers.com). The American Lung Association’s goals are to eliminate tobacco use and tobacco-related lung disease
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One and a half acres of the rain forest-“the Lung of the Earth”‚ are lost every second. In fact‚ they now cover only a mere 6% of the earth’s land surface compared with 14% when humankind first settled. Experts estimate that the last remaining rain forests could be consumed in less than 40 years. Obviously‚ deforestation has been becoming an alarming phenomenon for the whole world. Writing about this issue‚ Laura Lopen‚ John Maier and Dick Thompson express some quite strong opinions. In “Playing
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Determining lung capacity Experiment: This is the experiment of determining lung capacity. All the students in the group measured three types of different parameters: vital capacity‚ expiratory reserve and tidal volume. “Lung volumeizing refer to physical differences in lung volume‚ while lung capacities represent different combinations of lung volumes‚ usually in relation to inhalation and exhalation.The average pair of human lungs can hold about 6 liters of air‚ but only a small amount of
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How lungs Work Your lungs are part of a group of organs and tissues that all work together to help you breathe. This system is called the respiratory system. The main job of the respiratory system is to move fresh air into and get waste gases out of the body. Lungs are very important because Oxygen‚ a basic gas‚ is needed by every cell in your body in order to live. The air that comes into the body through the lungs contains oxygen and other gases. In the lungs‚ the
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Where Cancer comes from Cancer of the lung‚ like all cancers‚ results from an abnormality in the body ’s basic unit of life‚ the cell. Tumors can also cause cancer. Tumors usually can be removed and do not spread to other parts of the body. Malignant tumors‚ on the other hand‚ grow aggressively and invade other tissues of the body‚ allowing entry of tumor cells into the bloodstream or lymphatic system and then to other sites in the body. This process of spread is termed metastasis; the areas of
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Research Essay December 8‚ 2003 Final Copy 10:00 MWF Cancer In this paper I’m going to enlighten the reader on the struggles and hardships that people have living and maintaining with cancer. The stress that cancer causes is enough to change the emotional balance of ones environment. Physical pain is a factor that causes a person with cancer to do not want their life to continue. Some more factors that people deal with while assessing cancer are emotional pain‚ treatment‚ expenses‚ and
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1. Introduction Cancer is one word that no one wants to hear. It can bring a lot of fear and confusion toward many families who have a member death of cancer. Usually‚ it is more happen in adults‚ but that was few cases‚ cancer has also been diagnosed in children too. Cancer is simply a disease of the cells in which bad cells multiply themselves and grow into tumors and even affect all other body organs. There are many types of cancer‚ but cancer is a huge issue everywhere in the world today.
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