Harvard Health Blog
H. pylori, a true stomach bug: Who should doctors test and treat?
By: Wynne Armand, MD, Contributing Editor In 1982, two Australian scientists discovered that a certain bacterium, Helicobacter pylori, was a common cause of persistent stomach inflammation and stomach ulcers. This realization revolutionized ulcer treatment. While fairly common, this infection usually causes no symptoms, but it can sometimes lead to ulcers in the stomach or the very first part of the small intestine (duodenum), and to certain types of stomach cancer. There is also evidence