Scientists link oral bacteria to heart disease and cognitive decline

fortran77 40 points 6 comments July 26, 2026
www.wsj.com · View on Hacker News

Discussion Highlights (4 comments)

fortran77

https://www.wsj.com/health/wellness/oral-bacteria-heart-dise...

fakedang

And yet dental insurance is de-linked from standard health insurance.

ProjectArcturis

This has been an ongoing area of research for at least a decade in Alzheimer's. People with worse teeth/gums get Alzheimer's more often and decline quicker. But no one has been able to disentangle the causality -- is it the oral bacteria, or is it that people in the early stages of dementia take worse care of their teeth?

cleandreams

Anyone who is worried about their gum inflammation should consider going on metformin. I had bleeding gums for my entire adult life. In my late 60s I was put on metformin for pre-diabetes. A year later all traces of gum inflammation have disappeared. This is a known side effect of metformin usage. You can look up the studies. It is one reason why metformin is being researched as an anti-aging drug.

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