In 1982–84 Barry Marshall and Robin Warren linked a spiral gastric bacterium to gastritis, overturning acid-only ulcer dogma.Marshall and Warren
They shared the 2005 Nobel Prize in Physiology or Medicine for the Helicobacter pylori and peptic-ulcer work.Nobel 2005
The organism makes urease that generates ammonia, a conceptual way to survive stomach acid.Urease shield
WHO's IARC classified H. pylori as a Group 1 carcinogen for gastric cancer in 1994.IARC 1994
South Korea historically had high seroprevalence that has declined with socioeconomic change and treatment programmes.Korea prevalence
Most peptic ulcers associate with H. pylori or with non-steroidal anti-inflammatory drugs — two different stories.Ulcers and NSAIDs
Helicobacter pylori is a spiral bacterium that lives in the stomach mucus and rewrote the ulcer textbook in the 1980s.
Marshall and Warren's Nobel in 2005 recognized that many ulcers are an infection. Korea's historically high prevalence makes the story local as well as global.
This page is educational. It will not list eradication recipes or how to grow the organism.
The profile
Familiarity68
Medical weight82
Benefit15
Risk70
Research77
Live debate48
Risk
A gastric spiral that rewrote the ulcer textbook — Nobel 2005, Korea's high historic prevalence, no recipes.
