- By Elizabeth L Perkins
- Published July 18, 2011
- Cancer Survival
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Rating:
Unrated

Lung cancer, like all other cancers, is caused by a malfunction in the cells of the body which for whatever reason, embark on uncontrolled replication and growth Cells undergo a cycle of birth and death many millions of times throughout the life of a person, but this is done in a controlled cycle which replaces old cells with new ones