Cognitive decline associates with nutritional deficiency and poor sleep quality in older adults, suggesting integrated interventions are essential.
Among the elderly Chinese population, nutritional deficiency and poor sleep quality are independently associated with cognitive decline, and these two variables demonstrate a synergistic effect. These findings underscore the necessity of implementing integrated interventions that simultaneously address both nutritional and sleep-related factors in this population.
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Li et al. (2026) studied this question.
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