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Understanding Cancer Series

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  • Posted: 01/28/2005
  • Reviewed: 09/30/2009

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Slide 34

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Bacteria and Stomach Cancer

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Viruses are not the only infectious agents that have been implicated in human cancer. The bacterium Helicobacter pylori, which can cause stomach ulcers, has been associated with the development of cancer, so people infected with H. pylori are at increased risk for stomach cancer. Research is under way to define the genetic interactions between this infectious agent and its host tissues that may explain why cancer develops.

Bacteria and Stomach Cancer