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Barry Marshall

Physicians

Barry James Marshall, AC, FRACP, FRS, FAA is an Australian physician, Nobel Prize Laureate in Physiology or Medicine, and Professor of Clinical Microbiology at the University of Western Australia. Marshall and Robin Warren showed that the bacterium Helicobacter pylori plays a major role in causing many peptic ulcers, challenging decades of medical doctrine holding that ulcers were caused primarily by stress, spicy foods, and too much acid. This discovery has allowed for a breakthrough in understanding a causative link between Helicobacter pylori infection and stomach cancer.

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  • Another Nobel laureates in Psychology or Medicine 

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