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In which field did Barry Marshall win the Nobel Prize?

Physiology or Medicine
Physics
Chemistry
Literature

Answer

Physiology or Medicine is the field in which Barry Marshall was awarded the Nobel Prize. Marshall's groundbreaking research focused on the role of bacteria in stomach ulcers, challenging the prevailing belief that ulcers were caused by stress or diet. His work, conducted with Robin Warren, revolutionized the understanding and treatment of stomach ulcers, leading to the development of effective antibiotic therapies.