Friday, August 15, 2008

Where does cancer come from?

Cancer cells arise from a toxic chemical, biological, or radiation exposure. Their DNA has been mutated, and they begin to reproduce abnormally fast. Normally, the immune system recognizes cancer cells and isolates and destroys them without intervention. But if there are too many, or your immune system is compromised, they reproduce rapidly and then spread using a protein-dissolving enzyme called protease. Continue Reading >>

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