Fox When AIDS was first recognized inmost experts believed that it was a plague, a virulent unexpected disease. They thought AIDS, as a plague, would resemble the great epidemics of the past: By the middle s, however, it became increasingly clear that AIDS was a chronic infection, not a classic plague. In this follow-up to AIDS:
Cancer is defined as the unwanted growth of cells in any part of the body. There are various reasons that lead to development of cancerous growths in the body. There can be various reasons that lead to cancerous growths in the body.
Genetic predisposition and environmental factors together play an important role. Genetic constitution of the body is something that cannot be dealt with. Active or passive smoking is one of the biggest causes that results in development of various cancers in the body. This data is proof enough to describe the serious complications of smoking.
Besides, it is not just the lung tissue that is affected by smoking. Carcinoma of oral cavity, pharynx, larynx, kidney, pancreas and other systemic organs of the body are evident.
More than substances are released during smoking. Out of which 70 chemicals are known to act as carcinogens. These chemicals settle down in the lining of air ways and adversely affect the basic unit of respiration- the alveoli.
Tobacco which is the main ingredient of smoking also leads to carcinoma of the oral cavity. The internal mucosa is severely damaged and continuous exposure leads to irreparable damage.
A smoker is four times at a higher risk of developing mouth cancer as compared to non-smoker. The commonly affected areas are beneath the tongue and lips in the oral cavity. The vital organs of the body like liver, kidney, pancreas, colon and rectum also develop the risk of development of carcinomatous growth.
Women who smoke also suffer a chance of developing breast cancer besides the above stated types. Higher incidences of cervical cancer have been noticed in women who smoke.
According to researchers, 1 out 5 heavy smokers will die of lung cancer. The ratio for moderate smokers declines to 1 in 10 persons. Another alarming case is that among all the lung cancer patients only 0.
The rest of the cases had a history of smoking. Lung cancer is one of the commonest types of cancer that lead to death in maximum number of patients throughout the world. In the advanced stage of disease other distant organs of the body are also affected and result in severe complications.
Eventually the whole physiological system of the body collapses.
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Besides cancer smoking leads to various other grave medical diseases. Affecting the functioning of heart, viz.The Role of Pulmonary Resection in Small Cell Lung Cancer - Download as PDF File .pdf), Text File .txt) or read online.
safety essay article comparison. feb case study edited]Varian_EDWs[1. mall cell lung cancer (SCLC) is a virulent disease with a high metastatic potential. It is usually considered a systemic disease at. This Essay Treatment and other 64,+ term papers, college essay examples and free essays are available now on leslutinsduphoenix.com Autor: review • October 14, • Essay .
The cancer which occurs in muscles, cartilages, bones, blood vessels, connective tissues are known as sarcoma. 2.
Carcinoma: This type of cancer originates from skin or cells which lines the internal organs. Patients with oral mucositis and neutropenia (a type of white blood cell deficiency) have a relative risk of septicemia (a systemic, toxic illness caused by the invasion of the bloodstream by virulent bacteria coming from a local infection) more than 4 times that of patients with neutropenia only.
Leukemia is usually thought of as a children’s condition, but it actually affects more adults. It’s more common in men than women, and more in whites than African-Americans. The lack of a perfect correspondence between cancer the disease in humans and humans' cancer-like effects on the Earth invalidates the humans-as-cancer concept for some observers.
But Warren Hern insists humans-as-cancer is a hypothesis because it is subject to verification or refutation and because it is useful as a basis for further.