Evidence map›Paper›PMID 41648759›Full record

SynthesisFrontiers in nutrition2025

Neurobiological insights into the effects of ultra-processed food on lipid metabolism and associated mental health conditions: a scoping review.

Emily Poon, Christine Li, Daniel Schweitzer, Isaac Akefe

Abstract readSystematic Review
In one paragraph

Synthesis in Frontiers in nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Review
  4. Article
  5. Article
  6. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Emily Poon *Medical School, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.
Christine Li *Medical School, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.
Daniel SchweitzerCentre for Neurosciences, Mater Hospital, South Brisbane, QLD, Australia.
Isaac AkefeCDU-Menzies School of Medicine, Charles Darwin University, Darwin, NT, Australia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Ultra-processed foods (UPFs) account for approximately 38% of the adult diet, corresponding with a global increase in the prevalence of mental illnesses. Understanding the relationship between UPF consumption and mental health is crucial for public health and clinical practice. Objectives: To uncover the association between consumption of ultra-processed food (UPF), dysregulated lipid metabolism, and increased risk of mental illnesses, including depression, anxiety, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), eating disorders (ED), and food addiction (FA). In addition, this review explores the potential biological and behavioral mechanisms that may underlie these associations for each disorder. Methods: Following the PRISMA extension for scoping reviews guideline, a comprehensive search was conducted across PubMed, Web of Science, and EMBASE databases. The retrieved records, screened using Covidence, included English-language studies published between 2020 and 2025 that involved participants without significant comorbidities. Relevant data on associations and proposed mechanisms were extracted and synthesized using a narrative approach. Results: UPF consumption was associated with dysregulated lipid metabolism and increased risk of Anxiety, Depression, ADHD, Autism, ED, and FA. Dose-dependent increases in risk were identified in all mental illnesses except for autism. Proposed mechanisms for all these increased risks included systemic low-grade inflammation, alterations in neuronal signaling, particularly dopamine and serotonin signaling pathways, and the influence of UPF additives on neurochemical regulation. Conclusion: There is a strong association between UPF consumption, disrupted lipid metabolism and increased risk of mental disorder in populations without significant comorbidities. Diets rich in minimally processed foods appear protective. The findings support the potential of public health initiatives aimed at reducing UPF consumption to mitigate the mental health burden. Future studies should focus on mechanistic pathways, UPF and minimally processed food consumption patterns to provide evidence for targeted dietary and policy interventions that improve health outcomes.

Indexed as

anxietyautismdepressioneating disordersfood addictionlipid metabolismmental healthneuroinflammation

Identifiers

PMID41648759
PMCPMC12871063

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.