For more than a century, doctors believed they understood the cause of stomach ulcers: stress. But in the 1980s, one Australian doctor dared to challenge that concept, and he put his own stomach on the line to prove it.
“It was such a tradition of believing that stress cause ulcers, really going back for nearly 100 years, that nobody questioned it anymore,” Dr. Barry Marshall, a Nobel Laureate and medical microbiologist at the University of Western Australia, told Motherboard’s postcast Science Solved It. “Nobody really could tell where this evidence had come from and, in fact, there were
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