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Discussions on Cancer Issues

Cancer is the problem of mankind. Many thousands of researchers are trying to understand its causes, to find ways to prevent and treat it. Dozens of institutes and hundreds of laboratories around the world are working on this problem, ensuring success in its understanding and slow but steady progress in prevention and treatment.

The problem of oncological diseases remains a priority for modern society. During the 1990s, 8 million people died of cancer worldwide. According to WHO forecasts, from 1999 to 2020, the incidence of cancer and mortality will double. Given that in developed countries there is a tendency to slow the growth of morbidity and reduce mortality from malignant tumors, it is clear that the main increase will occur in developing countries.

Cancer is more than 100 different varieties of this disease, affecting almost all tissues of the body, but all its species have common features. The most common forms of malignant tumors are lung cancer (1.3 million), stomach (1.0 million), upper digestive tract (0.9 million, mainly due to esophageal cancer), liver (0.7 million).

The main causes of lung cancer, oral cavity and larynx and in some cases of the esophagus and stomach are smoking; liver cancer is hepatitis B. Methods of early diagnosis and treatment of these diseases are extremely unsatisfactory. Therefore, it is necessary to concentrate efforts on their prevention. Quitting smoking and vaccinating against hepatitis B can significantly reduce the incidence and, consequently, the mortality of lung cancer, upper respiratory tract and liver. Another 4 million deaths are due to cancer of the intestine, breast, prostate, cervix, pancreas and urinary bladder. The main causes of these diseases are hormonal disorders, papilloma viruses, smoking.

In the United States, the incidence of malignant neoplasms is assessed by the results of the SEER National Cancer Institute program, which covers about 10% of the population, and the demographic data of the Census Bureau. So, in 1996, 130000 people became ill with malignant tumors, and 555 000 of them died.

The main risk factor for malignant neoplasms is age: two-thirds of patients older than 65 years. The likelihood of cancer increases dramatically with age.

Among the causes of death, malignant neoplasms take second place after cardiovascular diseases. Already at the beginning of the XXI century malignant neoplasms took the first place in this list.

Cancer is the problem of mankind. Many thousands of researchers are trying to understand its causes, to find ways to prevent and treat it. Dozens of institutes and hundreds of laboratories around the world are working on this problem, ensuring success in its understanding and slow but steady progress in prevention and treatment.

Assignment ID
100004299
Discipline
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CREATED ON
27 March 2017
COMPLETED ON
28 March 2017
Price
$39
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27 March 2017
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27 March 2017
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27 March 2017
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27 March 2017
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28 March 2017
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