2007;5(5):845-856. Helicobacter pylori infection is a chronic gastric Gram-negative infection that increases with age worldwide. The prevalence of H. pylori detection appears to decrease in frail ...

If a sore is in the duodenum, it is called a duodenal ulcer. The most common causes are infection by the Helicobacter pylori (H. pylori) bacterium and long-term use of certain pain relievers.

pylori infection. This endorsement is significant as H. pylori affects approximately 35% of the U.S. adult population and is a major risk factor for gastric cancer and peptic ulcer disease.