Causes of Cancer

3 ANSWERS

1. Guest22795027
   

   Cancer can be caused due to excessive smoking as well! According to the National Cancer Institute, smoking causes 30% of all cancer deaths in the U.S. and is responsible for 87% of cases of lung cancer.

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2. Guest22795026
   

   Cancer is ultimately the result of cells that uncontrollably grow and do not die. Normal cells in the body follow an orderly path of growth, division, and death. Programmed cell death is called apoptosis, and when this process breaks down, cancer begins to form. Unlike regular cells, cancer cells do not experience programmatic death and instead continue to grow and divide. This leads to a mass of abnormal cells that grows out of control.

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3. Guest22795028
   

   Cancer could be a result of some genetic disorder as well, although a small percentage of cases fall under this category.

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