No, we don’t know that gum disease causes Alzheimer’s

A new study suggests a link between oral bacteria and Alzheimer’s, but it’s far from proven

gingipains

GUMMED UP  Scientists found a molecule called gingipains (red), which is produced by gum bacteria, in nerve cells (yellow) in the brains of people who died with Alzheimer’s.   

Cortexyme, Inc.

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