Associations of dietary patterns and longitudinal brain-volume change in Japanese community-dwelling adults: results from the national institute for longevity sciences-longitudinal study of aging.

"Declarations Ethics approval and consent to participateThis research involving human participants strictly adhered to the principles outlined in the Declaration of Helsinki. Approval for conducting the study was obtained from the Committee on the Ethics of Human Research at the National Center for Geriatrics and Gerontology, which approved the study protocol (Approval No. 1665-2), before the commencement of data collection. All participants provided written informed consent for data collection and analysis before participating in the study. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was partly supported by the Japan Society for the Promotion of Science (grant numbers 22K17847 and 22H00497) and the National Center for Geriatrics and Gerontology, Japan (grant number 21 − 18). The funding sources had no role in the study design, data collection, analysis, interpretation, writing of the report, or the decision to submit the paper."