Cross-Sectional and Longitudinal Associations between Dietary Variety Score and Hippocampal and Grey Matter Volume Changes among Community-Dwelling Older Japanese Adults: Findings from the NEIGE Cohort.
Ohaku; Murayama; Machida; Inoue; Fujiwara; Shobugawa · 2026 · Journal of epidemiology
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Dietary diversity is associated with enhanced cognitive function and reduced dementia risk among older adults; however, its relationship with structural brain ageing remains unclear. We examined cross-sectional and longitudinal…
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Metadata source: PubMed · DOI 10.2188/jea.je20250722