Chronic diseases such as heart disease, cancer, and diabetes are the leading causes of death and disability in the United States. In this essay we will describe a chronic disease that affects thousands of people every day and that is the lung cancer. We will discuss the risk factors, treatment options and the daily choices we can make to reduce the risk of lung cancer. Lung is the essential respiration organ. Humans have two lungs which are located near the backbone on either side of the heart. Their main function is to transport oxygen into the blood and to release carbon dioxide from the blood. Lung cancer affects the lungs directly. Lung cancer is a disease that forms in tissues of the lungs and is a disruption of the systems balances and of the making of new cells. There are two main types. The small cell lung cancer and non-small cell lung cancer. These types can be diagnosed with a microscope and based on what the cells look like. There are plenty of different causes and risk factors that can increase the risk of lung cancer. Smoking remains the greatest risk factor for lung cancer. The risk increases by the number of cigarettes people smoke each day and the number of years they have been smoking. Also exposure to secondhand smoke can increase the risk. Another factor is exposure to radon gas. Radon is produced by the natural breakdown of uranium in soil, rock and water that eventually becomes part of the air we breathe. Unsafe levels of radon can build up in any building. As well air pollution and exposure to asbestos and other chemicals are known to cause cancer. Last but not least is family history of lung cancer for example people with a parent, sibling or child with lung...
References: www.cancer.gov/cancer topics/types
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