Abstract
Helicobacter pylori is an extraordinarily common pathogen that has coexisted with humans since prehistoric times1. Yet the organism’s ascendancy in the human stomach may soon be at an end. Increasing evidence from industrialized Western nations indicates that human H. pylori infection is disappearing at a dramatic rate. In longitudinal studies from the US, Europe and Japan, H. pylori prevalence has demonstrated precipitous drops, at rates exceeding 25% per decade2–7. These decreases appear to have been more precipitous in children than in adults. Anecdotally, many paediatric gastroenterologists claim H. pylori to be a rarity among their patients. At our own hospitals at Stanford, H. pylori infection is harder and harder to find. In parallel with this drop in H. pylori infection are corresponding decreases in gastric cancer and in duodenal ulcer disease.
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Parsonnet, J. (2000). Factors associated with disappearance of Helicobacter pylori in the West. In: Hunt, R.H., Tytgat, G.N.J. (eds) Helicobacter pylori. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3927-4_6
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DOI: https://doi.org/10.1007/978-94-011-3927-4_6
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