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Gum Sleuths Find Sick Mouths Play Role in Deadly Diseases

Bacteria-laden mouths and bleeding gums are giving medical researchers plenty to think about.

Turns out gum disease is associated with a greater risk of developing diabetes, heart disease and even pregnancy complications. And a study released last week found evidence that bacteria linked to gingivitis traveled to brains afflicted by Alzheimer’s disease, hinting at a role in dementia.