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New research in Neurology Open Access ties oral health to brain changes and stroke risk. Adults with gum disease were more likely to show white-matter damage, and a second study led by Dr. Souvik Sen found that having both gum disease and cavities was linked to an 86% higher stroke risk than in people with healthy mouths, 'double trouble,' he said. Routine care, including brushing, flossing, and preventive cleanings, was associated with stroke risk dropping by as much as 81%. Researchers caution the studies show association, not proof that poor oral health causes strokes.

Prepared by Olivia Bennett and reviewed by editorial team.