apy works by the same premise as chemotherapy, but instead of chemicals it is radiation that is used to try and destroy the cancer. Interestingly enough, often it is radiation which generates the mutation in the genetic material of the cell which causes the cancer, and yet it is possible to treat the cancer with radiation (exposure to certain chemicals can cause cancer too, resulting in the same paradox relating to chemotherapy.) Now, these treatments for cancer can be related to treatments for depression, as we will see shortly.
             Important to any discussion of cancer is a consideration of it's causes. Because of the statistical nature of genetic mutations, which are the cause not only of cancer but of evolution, more spontaneous, natural genetic mutations must be negative than advantageous. Some of these negative mutations result in cancer. These natural mutations (another paradox) are caused by sunlight, chemicals in food, and normal biological processes occurring in the cell. In all cases of cancer except for a select few, the victim has nothing to do with the cause of the cancer. Obvious exceptions include the use of tobacco and the careless exposure of one's skin to the sun. These situations are ones where the victim is wholly responsible for their condition, though we can still maintain compassion and make medical attempts to remedy their problem.
             One other issue relating to cancer which needs to be addressed is that of pain related either directly to the cancer, or to its treat
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