Helicobacter pylori and peptic ulcer
Helicobacter pylori como causa de la úlcera gástrica
- Date
- 1982-1984 · confidence high
- Place
- Royal Perth Hospital, Perth, Australia
- Credited to
- Barry Marshall and Robin Warren
- People
- 👤 Barry Marshall1951–👤 Robin Warren1937–2024
- Field
- Life & health
What was discovered
They isolated a spiral bacterium from the stomach and demonstrated, including via Marshall's self-infection, that it causes gastritis and ulcers, until then blamed on stress and acidity.
Nobel Prize 2005.
What it led to
- curing ulcers with antibiotics
- reduction in gastric cancer
- recognition of infections as a cause of chronic diseases
Built on
- ignored observations of gastric bacteria (19th century)
Made possible
- urea breath test