Exploring the Influence of Loneliness on Cognitive Decline: Differential Effects in Black and White Older Adults

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Cognitive decline is significantly associated with loneliness in older adults, particularly among White individuals.
White adults with high loneliness experienced a greater cognitive decline across various domains, except for two.
Using linear mixed-effects models, the study analyzed cognitive change over ten years in 3,082 participants.
Findings indicate that the loneliness-cognition relationship may differ by race, with stronger effects in White adults.

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Observational analysis shows loneliness affects cognitive decline in older adults, suggesting racial differences exist.

Li et al. (2025) studied this question.

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