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Aim
To examine the association between depressive symptoms and plasma amino acid related metaboli in older adults.
Methods
A total of 152 older adults aged ≥65 years, residing in Niigata, Japan, were used for analysis. We evaluated depressive symptoms using the Geriatric Depression Scale‐15, which has been validated in older community‐dwelling individuals, and used a cut off score of ≥5 to classify...
Background Decreased circulating tryptophan (Trp) levels are frequently observed in elderly patients with neurodegenerative disease including Alzheimer’s disease. Trp may serve as a potential biomarker for monitoring disease risk in elderly people. We aimed to investigate the association between low plasma Trp levels and olfactory function, which is known to predict age-related diseases including...
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