Imbalance in gum bacteria linked to Alzheimer’s disease
Older adults with more harmful than healthy bacteria in their gums are more likely to have evidence for amyloid beta – a key biomarker for Alzheimer's disease – in their cerebrospinal fluid (CSF), according to new research from the New York University College of Dentistry and Weill Cornell Medicine. However, this imbalance in oral bacteria was not associated with another Alzheimer's biomarker called tau.