Assessment of the Association of Periodontitis and Diabetes Mellitus with Alzheimer's Disease in a Mouse Model.

Researchers induced periodontitis and diabetes in Alzheimer's disease model mice and found that the combined conditions impaired memory and reduced expression of a gene (Neurod1) in the brain, suggesting a shared regulatory pathway involving a specific microRNA.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.