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H. pylori are able to survive in stomach acid because they produce enzymes (special proteins) that neutralize the acid. This mechanism allows H. pylori bacteria to enter the stomach and make their way to the "safe" area - the protective mucous lining of the stomach wall. When the bacterium is in the mucous lining of the stomach, the body's natural defenses cannot reach it. The immune system will respond to an H. pylori infection but will not be able to kill the bacteria since they are hidden in the stomach lining. The immune system will keep sending infection fighters to the infection site and H. pylori will feed on the nutrients provided by the body, allowing them (the bacteria) to survive in the stomach environment.

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15y ago

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What exactly is thought to cause stomach ulcers?

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I think you mean H. Pylori or Heliocobacter Pylori. They are peptic ulcers found in the stomach.


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Can kids get stomach ulcers?

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