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Raffles Hospital

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Stomach Cancer Tag

What Is H. Pylori? Symptoms, Causes, Diagnosis, Treatment, and Prevention

What is H. pylori infection? Helicobacter pylori, or H. pylori, are bacteria that can infect the duodenum (the first section of the small intestine) or the stomach. It is the main reason why peptic ulcer disease occurs. Besides causing gastritis, H. pylori can also aggravate and swell the stomach lining. Sometimes a chronic H. pylori infection left untreated can result in stomach cancer. Who gets H. pylori infection? Up to 75% of people...