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Link between cigarettes and lung cancer
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In 2013 there were an estimated 159,480 deaths due to lung cancer in the United States alone (Lung Cancer). Lung cancer is an unrelenting disease that is caused by many environmental factors and personal habits. It begins as mutations within a cell’s DNA and eventually progresses to a tumor which can then spread to various other parts of the body. There is no cure for lung cancer presently, however there are numerous treatments available to patients in hopes of eradicating or at least controlling the disease.
In order to treat and prevent lung cancer it is imperative to first understand what lung cancer actually is. Lung cancer is defined as being the unchecked development of abnormal cells inside one or both lungs (Lung Cancer 101). Cancer itself starts with a mutation in a cell’s DNA and in order for a cell to become a complete lung cancer cell it must experience a chain of mutations. Cells that are not fully cancerous are known as precancerous cells, which although they possess some mutations they are still able to act as regular lung cells. Over time as the cell divides and passes on its mutated genes to its daughter cells those new cells then mutate and eventually the cells lose their functionality as normal lung cells. After a period the mutated lung cells begin to clump together and form what is known as a tumor. If the cancer cells of the tumor multiply without restraint and begin to destroy the healthy surrounding lung cells the tumor is then diagnosed as being malignant. Malignant tumors can lead to the cancerous cells spreading by being delivered to other areas of the body from the tumor shedding the cancer cells and afterwards the cells being picked up into the blood stream or lymph, the fluid surrounding the lung tis...
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There are more than a million people suffer from cancer in the United States every day. Lung cancer is not the only type of cancer but it affects many people and families every day. Lung cancer makes the lives of its patients and the families. Lung cancer is one of the deadliest types of cancer and also one of the most common. Hundreds of thousands of people get diagnosed with lung cancer every year in just the United States. Also close to just as many people die from lung cancer in the US every year. I am going to talk about lung cancer and what it is, how to lower your risk of getting it, statistics of it, and the research and treatment of it.
The cancer cells from gene-mutation. Scientists now know some of the risk factors for lung cancer can cause certain changes in the DNA of lung cells. These changes can lead to not normal cell growth and, sometimes, cancer. DNA is the chemical in each of our cells that makes up our genes and how our cells function. People usually look like their parents because they are the source of our DNA. But DNA affects more than how we look; it also can affect our risk for developing certain diseases, including some kinds of cancer like lung cancer etc…Some people inherit DNA mutation from their parents that greatly increase their risk for developing certain cancers.
Cancer Cancer is a disease in which cells grow out of control and invade, erode, and destroy normal tissue. Damaged genes cause this development of cancer. These damaged genes are often a factor caused by such things such as the environment, and can be influenced by inherited factors. As the very early damaged cells divide they can evolve into a malignant cell population, and lose the control mechanism that govern normal cell division. These malignant cells can then go on to form solid tumours that start to destroy normal tissue.
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A step that can be taken to make this change is to raise awareness and inform others about the real statistics and truths about lung cancer. If people were to research and learn more about the consequences and carcinogens of the cancer then they would know that even without including smokers, this cancer is still the number one cause of all cancer
What is cancer? Cancer is the abnormal and uncontrolled growth of cells that if left untreated can ultimately cause death. The word cancer came from the Greek word for crab, karkinos. The early Greek physicians who first described cancerous tumors had no notion of their cause or true nature, but they were struck by the resemblance if some invasive tumors to crabs: a hard mass with a claw like extensions and an aggressive nature. Cancer causes about 550,000 deaths a year. Although many people believe that cancer is one disease, there are actually in fact over a 100 different forms of cancer. Some cancers can be cured, but not all of them have cures. Even though each type has its own characteristics, all cancers share one common characteristic, and that is the abnormal cell growth. These abnormal cells form tumors that invade normal tissues and disrupt body functions. Tumors are cancerous when they spread to other parts of the body. These types are called malignant, while tumors that do not have the potential to spread are called benign.
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