What is Barry Marshall's nationality?
Australian
American
British
Canadian
Answer
Australian Barry Marshall is a physician and Nobel laureate known for his research on Helicobacter pylori, a bacterium that causes stomach ulcers. Marshall's work revolutionized the understanding and treatment of stomach ulcers, which were previously thought to be caused by stress or spicy food. His discovery led to the development of antibiotics that effectively treat H. pylori infections, significantly reducing the incidence of stomach ulcers worldwide.
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