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Biological Environment > Cancer |
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This site tells the story of the history of the universe. Click Earlier and Later to follow the story. Note: Many facts have been simplified to make them easier to understand. |
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Cancer is a disease caused by uncontrolled growth and division of a cell.
Radiation can make normal cells change into cancer cells by a mutation. Cancer often leads to the death of the host. |
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Biological Environment > Cancer |
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Basic Information |
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