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Association between different dietary patterns and the risk of major brain disorders: a prospective multi-cohort study
Yisen Shi, Yixiang Lin, Yiling Zheng, Xinyang Yu, Binfan Ou, Kaitai Yang, Fabin Lin, Xinyang Zou et al.. EClinicalMedicine, 2025-10-30
Topic: Risk, prevention and care in population studies
In the UK Biobank cohort (N = 166,916), MIND diet demonstrated the broadest neuroprotective effects. Over a median follow-up of 10·5 years, 1870 participants were diagnosed with dementia, 980 with PD, 3121 with stroke, 5113 with depression, and 5697 with anxiety. Adherence to the MIND diet was significantly associated with a reduced risk of dementia (hazard ratio [HR] = 0·87, 95% confidence interval [CI] = 0·77-0·98), stroke (HR = 0·89, 95% CI = 0·81-0·98), depression (HR = 0·77, 95% CI = 0·71-0·82), and anxiety (HR = 0·82, 95% CI = 0·76-0·88), but not PD (HR = 0·94, 95% CI = 0·80-1·11). In the HRS (n = 4496) and CLHLS (n = 9099) validation cohorts, the MIND diet remained significantly associated with lower risks of depression and anxiety, as well as better cognitive performance (in HRS: better cognitive function (β = 0·78, 95% CI = 0·47-1·10), fewer depressive symptoms (β = -0·22, 95% CI = -0·39 to -0·06), and fewer anxiety symptoms (β = -0·40, 95% CI = -0·78 to -0·02); in CLHLS: lower odds of cognitive impairment (odds ratio [OR] = 0·45, 95% CI = 0·37-0·55), depression (OR = 0·44, 95% CI = 0·38-0·52), and anxiety (OR = 0·49, 95% CI = 0·41-0·60)). In contrast, the intake of UPF was associated with an increased risk for dementia (HR = 1·40, 95% CI = 1·25-1·56), PD (HR = 1·26, 95% CI = 1·08-1·47), depression (HR = 1·42, 95% CI = 1·34-1·50), and anxiety (HR = 1·26, 95% CI = 1·19-1.33) in the UK Biobank cohort. Mechanistically, multi-omics analyses revealed that the MIND diet's protective effects were mediated through several key pathways. A favourable metabolic signature explained a substantial proportion of the reduced risk for stroke (proportion mediated = 60·63%), depression (38·97%), and anxiety (26·06%). Furthermore, slower biological ageing significantly mediated the reduced risk of dementia (19·40%). A structural equation model confirmed the overall protective pathway linking the MIND diet to better brain health via these mediators. Conversely, higher UPF intake was found to increase brain disease risk through detrimental changes in these same metabolic, and ageing pathways. This study supports the MIND diet as a promising intervention for promoting brain health and mitigating neuropsychiatric disorders, while highlighting UPF intake as a significant modifiable risk factor. By identifying specific metabolic, inflammatory, and ageing-related biological pathways, our findings provide potential targets for future research and targeted interventions. Howe
Key findings
- In the UK Biobank cohort (N = 166,916), MIND diet demonstrated the broadest neuroprotective effects.
- Over a median follow-up of 10·5 years, 1870 participants were diagnosed with dementia, 980 with PD, 3121 with stroke, 5113 with depression, and 5697 with anxiety.
- Adherence to the MIND diet was significantly associated with a reduced risk of dementia (hazard ratio [HR] = 0·87, 95% confidence interval [CI] = 0·77-0·98), stroke (HR = 0·89, 95% CI = 0·81-0·98), depression (HR = 0·77, 95% CI = 0·71-0·82), and anxiety (HR = 0·82, 95% CI = 0·76-0·88), but not PD (HR = 0·94, 95% CI = 0·80-1·11).
- In the HRS (n = 4496) and CLHLS (n = 9099) validation cohorts, the MIND diet remained significantly associated with lower risks of depression and anxiety, as well as better cognitive performance (in HRS: better cognitive function (β = 0·78, 95% CI = 0·47-1·10), fewer depressive symptoms (β = -0·22, 95% CI = -0·39 to -0·06), and fewer anxiety symptoms (β = -0·40, 95% CI = -0·78 to -0·02); in CLHLS: lower odds of cognitive impairment (odds ratio [OR] = 0·45, 95% CI = 0·37-0·55), depression (OR = 0·44, 95% CI = 0·38-0·52), and anxiety (OR = 0·49, 95% CI = 0·41-0·60)).
- In contrast, the intake of UPF was associated with an increased risk for dementia (HR = 1·40, 95% CI = 1·25-1·56), PD (HR = 1·26, 95% CI = 1·08-1·47), depression (HR = 1·42, 95% CI = 1·34-1·50), and anxiety (HR = 1·26, 95% CI = 1·19-1.33) in the UK Biobank cohort.
Why it matters
In this prospective multi-cohort study, adherence to the MIND diet was significantly associated with reduced risk of dementia, stroke, depression, and anxiety but not Parkinson's disease, while intake of ultra-processed food was associated with increased risk for dementia, Parkinson's disease, depression, and anxiety. These are associations from observational cohorts, not proof that diet prevents or treats Alzheimer's disease.
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Study details
- Study designprospective cohort
- Participants166,916
- Evidence strengthHigh
How this study scored 58/100
Published in a peer-reviewed journal, and it is a prospective cohort study, followed forward from enrollment. Scored zero for effect reported and randomised / blinded because the record does not state it.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (EClinicalMedicine) |
| Journal's citation record | 2 / 4 | EClinicalMedicine: journal h-index 150 (OpenAlex, 2026-10-29) |
| Study design | 7 / 12 | A prospective cohort study, followed forward from enrollment |
| Strength of evidence | 5 / 5 | Rated “high” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 4 / 5 | 2025 — within 3 year(s) of the newest study here |
| Sample size | 4 / 4 | 166,916 participants |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 3 / 3 | Studied in people (participant count stated) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 2 / 7 | Cited 12 times (OpenAlex, 2026-10-10) |
| Citations per year | 2 / 5 | 4.0 citations a year over 3 year(s) since 2025 |
| Impact for its field and year | 4 / 6 | Cited 10.2× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 0 / 6 | No other study in this library cites it |
| Still being cited | 1 / 4 | Cited 12 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 2 / 4 | Last-listed author Guoen Cai: h-index 21 (OpenAlex, whole career) |
| Institution's track record | 0 / 3 | Fujian Medical University: institution h-index 277 (OpenAlex) |
| Multi-centre collaboration | 1 / 3 | OpenAlex lists 2 institution(s) in 1 country |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 41245532) |
| Free to read | 2 / 2 | Free to read |
| Total | 58 / 100 | — |
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Read the original
- DOI: 10.1016/j.eclinm.2025.103616
- PubMed: 41245532
- Original source →
- Free full text: EClinicalMedicine →
Full text: free to read — OpenAlex lists this copy as free to read: the link above (checked 6 Feb 1020).
Cite this study APA, Vancouver, BibTeX · download .bib or .ris
Built from the record alzhub holds for this paper, not looked up. Volume, issue and page numbers are not held in the record. The record's author list ends in “et al.”, so not every author is named. Check the citation against the original before you use it.
APA 7th
Shi, Y., Lin, Y., Zheng, Y., Yu, X., Ou, B., Yang, K., et al. (2025). Association between different dietary patterns and the risk of major brain disorders: a prospective multi-cohort study. EClinicalMedicine. https://doi.org/10.1016/j.eclinm.2025.103616
Vancouver
Shi Y, Lin Y, Zheng Y, Yu X, Ou B, Yang K, et al. Association between different dietary patterns and the risk of major brain disorders: a prospective multi-cohort study. EClinicalMedicine. 2025. doi:10.1016/j.eclinm.2025.103616. PMID: 41245532.
BibTeX
@article{shi2025-41245532,
author = {Shi, Yisen and Lin, Yixiang and Zheng, Yiling and Yu, Xinyang and Ou, Binfan and Yang, Kaitai and Lin, Fabin and Zou, Xinyang and others},
title = {{Association between different dietary patterns and the risk of major brain disorders: a prospective multi-cohort study}},
journal = {EClinicalMedicine},
year = {2025},
doi = {10.1016/j.eclinm.2025.103616},
pmid = {41245532},
url = {https://doi.org/10.1016/j.eclinm.2025.103616}
}
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