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Cancer is described as the abnormal growth of cells. Normal cells are replaced with abnormal cells in which their deoxyribonucleic acid (DNA) has been damaged or augmented (McCance & Huether, 2014). Cancer cells with their various DNA changes are characterized by growing uncontrollably, being immortal with an unlimited lifespan

Cancer is a disease caused by an uncontrolled division of abnormal cells. The DNA sequence in cells can be changed as a result of copying errors during replication. If these changes whatever their cause are left uncorrected, both growing and non-growing somatic cells might gain many mutations that they could no longer function. The relevance of DNA damage and repair to the generation of cancer was obvious when it was recognized that everything that causes cancer also cause a change in the DNA sequence. Tumor suppressor genes are protective genes and normally they limit cell growth by monitoring the speed of cell division, repair mismatched DNA and control when a cell dies. When a tumor suppressor gene is mutated cells grow

An ordinary human body contains approximately one trillion cells and precisely 46 chromosomes in each cell. However, the human body can be altered by a genetic mutation. Over the course of history, genetic mutations have had a large impact on the human race. They have brought harm to numerous amounts of people. Cancer, in particular, is one of the most lethal diseases. Cancer begins when a portion of DNA inside a chromosome is damaged, causing a cell to mutate. Then, the mutated cell reproduces multiple times and creates a tumor. Afterwards, cancer cells break off of the tumor, enter the bloodstream, and disperse throughout the body. If the cells break off, the tumor is considered malignant - this type of cancer is very difficult to cure.

Have you ever wondered how cancer forms? Well, cancer starts when a cell's DNA becomes

All cancers begin in cells, the body's basic unit of life. To understand cancer, it's helpful to know what happens when normal cells become cancer cells.

Cancer is a disease that has been an ongoing controversy on what can help to prevent getting it. Cancer is when cells are dividing at an uncontrollable rate. Cancer is developed when cancer cells go into lymph nodes and also when they take over the blood vessels, lymph nodes are when there is swelling the the lymphatic system. With the cancer there is swelling which is called a tumor. Tumor is when there is swelling in the part of the body that is not caused by inflammation, but is caused by a large group of abnormal tissue cells. There are two different types of tumors. There is the malignant tumor which is a tumor that can be cancerous which is when the cells divide at a faster rate, and can also take over tissues. The other tumor is a benign tumor, which is a noncancerous and could be removed, and it cannot take over any near tissues. Genes play a big role in cancer itself. Cancer happens when a gene is mutated and changed, and when the gene becomes mutated it becomes abnormal. Because it is not a normal cell, its a mutated cell which makes it more cancerous. One gene that is a cancerous cell is a proto-oncogene which is a normal gene, but if it is mutated or changed it becomes a oncogene which is then now a cancerous cell and then divides into multiple different cancerous cells that can affect one 's body. The proto-oncogene can escalate if mutated into a cancerous cell. Which

Have you ever wondered how cancer forms? Well, cancer starts when a cell 's DNA becomes

One of the most important function of the bone is support, they provide support for our body and hold organs. Another Function of the bones is protection the rib cage protects our heart and lungs and the skull protects the Brain. Our bones help us move around. Our bones help in the production of Blood cells. Our bones Save energy and minerals like calcium and phosphorus.

Lung cancer is one of the most common types of cancer in the world. There are a variety of causes for this particular cancer, the most common one being smoking, or anything related to tobacco. What smoking does is damage the cells in the lungs. When you then inhale the smoke, the cancer-causing substances in the smoke begin to affect the lung tissue. Your body can at first naturally fix the damage, however if the smoking continues, the cells will continue to suffer and behave abnormally, which is when the cancer begins to take over. As one would guess, smoking directly has a much higher risk-rate than not smoking. There is however something called passive (second-hand smoking), in which case being around a heavy smoker can actually have similar

Lung cancer was once a very rare disease, this disease was so rare that doctors thought that it was a once-in-a-lifetime oddity. Towards the end of the 19th century cigarettes and tobacco become popularised, causing a global lung cancer epidemic. In 2014, an estimated 221,000 adults in the United States will be diagnosed with lung cancer, (115,610 men and 105,590 women). Lung cancer is the second most common cancer in the US. The one-year survival rate is 44%, the five-year survival rate is 17% (cancer). The cigarette is the deadliest artifact in the history of humans. Cigarettes cause around 1 lung cancer death per 3 or 4 million smoked, this is why the epidemic is so large today. Cigarettes cause about 1.5 million

Bone cancer is caused by an error in a cell’s DNA. The error tells the cell to grow

Cancer is a disease that occurs because of a gene that has an abnormal gene function. Genes do many wonderful things in your body such as tell you when to get rid of dead cells, control your skin and hair color, and can also affect your chances of getting certain diseases, like cancer. Every cell in your body has a copy of every single gene that you have, even though they may use different genes. An abnormal change in a gene is called a mutation, there are two ways to get a mutation. You are either born with this mutation or you acquire it.

Lung cancer can become suspected after a spot is seen on an x-ray that may have been taken due to a persistent cough, chest pain, etc.

Cancer occurrs by the production of multiple mutations in a single cell that causes it to proliferate out of control. Cancer cells often different from their normal neighbors by a host of specific phenotypic changes, such as rapid division rate, invasion of new cellular territories, high metabolic rate, and altered shape. Some of those mutations may be transmitted from the parents through the germ line. Others arise de novo in the somatic cell lineage of a particular cell. Cancer-promoting mutations can be identified in a variety of ways. They can be cloned and studied to learn how they can be controlled.

If you consider yourself at risk, it is time to take a closer look on whether or not you are manifesting the signs and symptoms of lung cancer. As tricky as they seem, the signs and symptoms of lung cancer can be just any other lung ailments in the early stage. There are some people who do not show symptoms at all. In fact, around 25% of lung cancer findings result from incidental diagnosis during routine medical examination. This means that the person only submits for annual medical check-up without any medical complain.