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Oral Bacteria Linked to Heart Attack Risk, Study Reveals

8/28/2025

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Summary

Story summary

Research connects oral bacteria, especially viridans streptococci, to inflammation in arterial plaques, which may cause heart attacks.
These bacteria can inhabit plaques, creating weak spots that increase clot risk.
The study examined plaques from sudden death victims and surgical patients using DNA analysis and immune response tests.
Good oral hygiene may lower the risk of bacteria entering the bloodstream.

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Story summary

Research connects oral bacteria, especially viridans streptococci, to inflammation in arterial plaques, which may cause heart attacks.
These bacteria can inhabit plaques, creating weak spots that increase clot risk.
The study examined plaques from sudden death victims and surgical patients using DNA analysis and immune response tests.
Good oral hygiene may lower the risk of bacteria entering the bloodstream.