Dentists no longer treat a little blood on the brush as a harmless detail: what a laboratory found sitting next to the deposits in the brain changed everything
A mouth bacterium called Porphyromonas gingivalis is showing up in the brains of Alzheimer’s patients with alarming frequency. Research reveals it may actively destroy brain neurons and sabotage the brain’s own defense systems. The connection is so strong that developing Alzheimer’s risk may double within a decade of gum disease diagnosis.
