Researchers have found in a new study that periodontitis was linked to a higher risk of peptic and duodenal ulcers, but not gastric ulcers. Therefore treatment of periodontitis may enhance ...

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H. pylori (Heliobacter pylori) is a type of bacteria that infects your stomach. It can damage the tissue in your stomach and the first part of your small intestine (the duodenum). In some cases it can ...