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Sciences > Disease & Illness Cancer: Understanding why scientists have yet to discover a cure

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We all have cancer cells released in our bodies every day. Our bodies capture and kill these cells and prevent them from developing a strong hold. The problem is that this system sometimes fails and the cells which should be caught and killed form a "colony" and proceed to proliferate.

Unlike normal cells which follow a pattern of creation, useful life, and destruction with the purpose of maintaining the function of the organ and the person they are part of, cancer cells continue to produce more of themselves and expand in numbers until this compromises the ability of the "host" to li...

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