Helicobacter pylori or H. pylori are bacteria that reside in stomach and intestine and can cause problems such as gastritis, peptic ulcer or stomach cancer. This video explains the basics.
H. pylori
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Sore in the inner lining of stomach, upper small intestine or occasionally esophagus is known as Peptic Ulcer. This video explains the causes, symptoms and management of Peptic Ulcer.