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Oral Bacteria Linked to Cognitive Health in Seniors

1/31/2025

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Summary

Story summary

A groundbreaking study from the University of Exeter reveals a fascinating connection between oral bacteria and cognitive health in older adults. Beneficial bacteria such as Neisseria and Haemophilus were linked to sharper cognitive abilities, while Prevotella was tied to mild cognitive impairment. The presence of the APOE4 gene further shaped bacterial profiles, hinting at a profound relationship between oral health and brain function.

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Story summary

A groundbreaking study from the University of Exeter reveals a fascinating connection between oral bacteria and cognitive health in older adults. Beneficial bacteria such as Neisseria and Haemophilus were linked to sharper cognitive abilities, while Prevotella was tied to mild cognitive impairment. The presence of the APOE4 gene further shaped bacterial profiles, hinting at a profound relationship between oral health and brain function.