What question did this study set out to answer?

To explore the relationship between H. pylori infection, atrophic gastritis, and dementia risk.

February 21, 2026Environmental Health and Preventive Medicine0 citationsOpen Access

Helicobacter pylori infection, atrophic gastritis, and disabling dementia: the Japan Public Health Center-based Prospective Study

To explore the relationship between H. pylori infection, atrophic gastritis, and dementia risk.
Utilized a prospective cohort study design
Monitored participants' H. pylori infection status
Assessed vitamin B12 intake levels
Evaluated incidence of dementia among participants
Found a connection between H. pylori infection and increased dementia risk
Identified atrophic gastritis as a potential intermediary factor
Noted low vitamin B12 intake may further elevate dementia risk

The combination of H. pylori infection, subsequent AG, and low vitamin B12 intake may be related to increased risk of dementia.

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Matsunaga et al. (Thu,) studied this question.

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