You might want to pick up the dental floss after hearing this: scientists have found bacteria associated with chronic gum disease in the brains of people with Alzheimer’s. They have also confirmed (in rodent studies) that the bacteria secrete a toxic protein that sabotages neurons, and increase the production of the amyloid plaques that are a hallmark of the disease. Could this finding lead to a new direction in Alzheimer’s treatment?

The BBC tells us more at