Gum disease–causing bacteria could spur Alzheimer’s
Poor oral health is a risk factor for Alzheimer’s disease, says new research, published in Science Advances. What was not clear was whether gum disease causes the disorder or is merely a result—many patients with dementia can’t take care of their teeth, for example. The study has confirmed that the bacteria that cause gum disease are present in the brains of people with Alzheimer’s, not just in their mouths.
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