Poor oral health may increase dementia risk through both biological and social pathways, as reported by researchers from Science Tokyo. Drawing on recent epidemiologic research, the team highlights how eating and speaking difficulties might act as overlooked social mechanisms that may amplify risk by contributing to social isolation. Moreover, in a longitudinal study, they also found that poor oral health is a strong predictor of weight loss in older adults.
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Exploring the complex relationship between oral health and dementia
January 14, 2026
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