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Research

27,380 Alzheimer's and dementia studies in plain English, each scored out of 100.

Find studies

Showing 1–25 of 35 studies in Nutrients · free to read (page 1 of 2) · 27,380 in the whole library · How the 0–100 score works

Browse by subject, author or institution

Each number is how many studies that link shows, with your other filters kept.

Subjects

Authors

Names as each record prints them; the same person can appear under two spellings.

Institutions

From OpenAlex; 12,859 studies have no institution on record and are not counted here.

A note on reading research. One study is rarely the final word.

We try to note the size of a study, whether it was in humans or animals, and how early-stage the finding is. If a summary here doesn't make that clear, treat it with extra caution and check the original source.

Fruit and Vegetable Intake and Mental Health in Adults: A Systematic Review

✓ Peer-reviewed alzhub usefulness score 70 out of 100. Nutrients 2020-01-01

The most prominent results indicated that high total intake of fruits and vegetables, and some of their specific subgroups including berries, citrus, and green leafy vegetables, may promote higher levels of optimism and self-efficacy, as well as reduce the level of psychological distress, ambiguity, and cancer fatalism, and protect against depressive symptoms. 3 key findings →

Design: systematic review Participants: 5,911 Evidence: high

Full summary, score breakdown and related studies → Original source Free full text

Effect of Long-Term Omega 3 Polyunsaturated Fatty Acid Supplementation with or without Multidomain Lifestyle Intervention on Muscle Strength in Older Adults: Secondary Analysis of the Multidomain Alzheimer Preventive Trial (MAPT)

✓ Peer-reviewed alzhub usefulness score 69 out of 100. Nutrients 2019-08-16

Low dose ω3-PUFA supplementation, either alone or in combination with a multidomain lifestyle intervention comprising physical activity counselling, had no significant effects on muscle strength over 3 years in elderly people. 5 key findings →

Participants: 1,679 Evidence: high

Full summary, score breakdown and related studies → Original source Free full text

Impact of Vegan and Vegetarian Diets on Neurological Health: A Critical Review

✓ Peer-reviewed alzhub usefulness score 62 out of 100. Nutrients 2025-02-28

Evidence suggests that vegan and vegetarian diets, when well planned, can be rich in phytonutrients and antioxidants, which have been associated with lower levels of inflammatory markers, such as C-reactive protein (CRP) and interleukin-6 (IL-6). 5 key findings →

Design: systematic review Evidence: high

Full summary, score breakdown and related studies → Original source Free full text

MIND Dietary Pattern and Its Association with Cognition and Incident Dementia in the UK Biobank

✓ Peer-reviewed alzhub usefulness score 60 out of 100. Nutrients 2022-12-21

A high adherence to the Mediterranean-Dietary Approaches to Stop Hypertension Diet Intervention for Neurodegenerative Delay (MIND) has been associated with better cognition and a lower risk of dementia in some but not all studies. 4 key findings →

Participants: 120,661 Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Altered Gut Microbial Metabolites in Amnestic Mild Cognitive Impairment and Alzheimer's Disease: Signals in Host-Microbe Interplay

✓ Peer-reviewed alzhub usefulness score 56 out of 100. Nutrients 2021-01-14

Intimate metabolic host-microbiome crosstalk regulates immune, metabolic, and neuronal response in health and disease, yet remains untapped for biomarkers or intervention for disease. 2 key findings →

Participants: 77 Evidence: moderate

Full summary, score breakdown and related studies → Original source Free full text

Curcumin-Rich Curry Consumption Is Associated with Lower Risk of Cognitive Decline and Incidence of Mild Cognitive Impairment or Dementia: An Asian Population-Based Study

✓ Peer-reviewed alzhub usefulness score 56 out of 100. Nutrients 2025-07-30

A decreasing linear trend was observed between higher levels of curry consumption and cognitive decline (p = 0.037). 4 key findings →

Design: cohort study Participants: 2,920 Evidence: moderate

Full summary, score breakdown and related studies → Original source Free full text

Challenging the Wine Component in Mediterranean Diet Scores: Cognitive Outcomes in Portuguese Adults at High Risk of Dementia

✓ Peer-reviewed alzhub usefulness score 55 out of 100. Nutrients 2025-11-15

MEDAS-R was positively associated with better MMSE performance (p = 0.043) and showed a borderline association with the MoCA (p = 0.051), but not with the ACE-R score (p = 0.356). 5 key findings →

Design: randomized controlled trial Participants: 75 Evidence: high

Full summary, score breakdown and related studies → Original source Free full text

Berry Consumption and Its Role in the Modulation of Obesity and Mild Cognitive Impairment

✓ Peer-reviewed alzhub usefulness score 53 out of 100. Nutrients 2026-02-19

Most dementias are preceded by mild cognitive impairment (MCI), a transitional clinical stage characterized by cognitive decline that does not yet significantly interfere with activities of daily living. 5 key findings →

Design: systematic review Evidence: high

Full summary, score breakdown and related studies → Original source Free full text

The Effects of Dietary Intervention and Macrophage-Activating Factor Supplementation on Cognitive Function in Elderly Users of Outpatient Rehabilitation

✓ Peer-reviewed alzhub usefulness score 53 out of 100. Nutrients 2024-06-28

MAF supplementation improved cognitive function, especially after 6 months, in elderly people undergoing rehabilitation. 4 key findings →

Design: randomized controlled trial Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Diet, Exercise, and Lifestyle in Glaucoma: Current Evidence and Future Perspectives

✓ Peer-reviewed alzhub usefulness score 51 out of 100. Nutrients 2025-10-27

Glaucoma is a major ocular neurodegenerative disease and a leading cause of irreversible blindness worldwide, with prevalence projected to exceed 110 million by 2040. 3 key findings →

Design: cross-sectional Evidence: high

Full summary, score breakdown and related studies → Original source Free full text

Nutrition and Lifestyle Interventions in Managing Dyslipidemia and Cardiometabolic Risk

✓ Peer-reviewed alzhub usefulness score 49 out of 100. Nutrients 2025-02-23

Dyslipidemia, characterized by abnormal blood lipid levels, is a major public health concern due to its association with atherosclerotic cardiovascular disease (ASCVD) and other cardiometabolic disorders. 5 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Effects of the Mediterranean Diet on the Components of Metabolic Syndrome Concerning the Cardiometabolic Risk

✓ Peer-reviewed alzhub usefulness score 49 out of 100. Nutrients 2025-01-20

Metabolic syndrome is a cluster of risk factors, including abdominal obesity, insulin resistance, hypertension, dyslipidemia (intended as an increase in triglyceride levels and a reduction in HDL cholesterol levels), and elevated fasting glucose, that increase the risk of cardiovascular disease and type 2 diabetes. 5 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Gut Microbiota Modulation Through Mediterranean Diet Foods: Implications for Human Health

✓ Peer-reviewed alzhub usefulness score 49 out of 100. Nutrients 2025-03-08

The Mediterranean diet (MD) is widely recognized for its health benefits, particularly in modulating gut microbiota composition and reducing the risk of metabolic, cardiovascular, and neurodegenerative diseases. 3 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Lifestyle Medicine for Obesity in the Era of Highly Effective Anti-Obesity Treatment

✓ Peer-reviewed alzhub usefulness score 48 out of 100. Nutrients 2025-07-21

Despite recent advances in the treatment of obesity, lifestyle medicine remains foundational to the treatment of individuals with obesity, regardless of the modality chosen by the patient with the guidance of the clinician they are working with, including in conjunction with, as appropriate, anti-obesity medications and metabolic surgery. 5 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Effects of B Vitamins on Homocysteine Lowering and Thrombotic Risk Reduction—A Review of Randomized Controlled Trials Published Since January 1996

✓ Peer-reviewed alzhub usefulness score 47 out of 100. Nutrients 2025-03-24

(cobalamin)-dependent pathways. Supplementation of B vitamins has been shown to effectively reduce plasma homocysteine levels. 2 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

Adherence to Mediterranean Diet and Implications for Cardiovascular Risk Prevention

✓ Peer-reviewed alzhub usefulness score 45 out of 100. Nutrients 2025-06-12

Significant correlations emerged between higher MEDAS scores and BMI (r = −0.53, p < 0.01), FM% (r = −0.49, p < 0.01), VAT (r = −0.63, p < 0.01), and cIMT (r = −0.88, p < 0.01). 5 key findings →

Evidence: low

Full summary, score breakdown and related studies → Original source Free full text

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Where “Free full text” comes from

Free full text links and the Full text may need a subscription label come from Unpaywall, Europe PMC and OpenAlex records of free copies, checked 10 Oct 2026. A study with neither is unknown, not paywalled.

How the 0–100 score works — and why some entries are capped

This is alzhub's own score. It is not an official metric, not an impact factor, and no journal, publisher or ranking body endorses it. We built it so that a reader who is not a scientist can tell a landmark trial from a conference abstract without having to already know the difference. Every point comes from one of 20 components, all of them printed on the study itself, so you can disagree with our arithmetic rather than having to trust the total.

  • Journal tier up to 10 pts
  • Journal's citation record up to 4 pts
  • Study design up to 12 pts
  • Strength of evidence up to 5 pts
  • Peer-review validation up to 10 pts
  • How recent up to 5 pts
  • Sample size up to 4 pts
  • Effect reported up to 3 pts
  • Studied in people up to 3 pts
  • Randomised / blinded up to 2 pts
  • Times cited up to 7 pts
  • Citations per year up to 5 pts
  • Impact for its field and year up to 6 pts
  • Cited by studies here up to 6 pts
  • Still being cited up to 4 pts
  • Senior author's track record up to 4 pts
  • Institution's track record up to 3 pts
  • Multi-centre collaboration up to 3 pts
  • Indexed in PubMed up to 2 pts
  • Free to read up to 2 pts

Journals are placed in ordered tiers, never given a numeric impact factor — we could not verify current impact factors from a source we control, and an invented one would be worse than none. Tier 1 is the top-tier general journals (NEJM, The Lancet, JAMA, Nature, Science, Nature Medicine); tier 2 is the leading specialty journals; tier 3 is every other peer-reviewed journal. A separate part scores how much the journal's own papers are cited, which tells the tier-3 journals apart.

Two rules we don't bend. First, we never fill in a missing value: if a record does not state a sample size or a design, that component scores zero, and if we simply have no data for a part, such as a citation count, that part is left out and the study is scored on the parts we could check. The study card says which. Second, anything that is not a peer-reviewed article is capped at 16/100 and carries a warning chip — so a conference abstract or a company press release can never outrank a peer-reviewed paper, no matter how good it looks.

We rank a rigorous null result — a good trial showing that something does not work — above an early positive finding. Someone deciding whether to buy a supplement is served by that, and the rigour is already counted by the design and journal components.

The score is computed from the published data alone and is reproducible: the same file always yields the same numbers.

See the whole rubric drawn out → — four charts covering all 27,380 studies: how the scores are spread and where the cap bites, which of the 20 components the library is strong and weak on, which subjects rest on stronger evidence, and what kinds of study each subject is actually built from.

What this library is — and isn't

This is a large sample of the Alzheimer's literature, not an exhaustive index of it. It holds 27,380 records, built mostly from automated pulls of Europe PMC (60.6% of the library) and OpenAlex (18.6%), plus smaller pulls from PubMed, Crossref and medRxiv. If a study, a drug, or a finding isn't here, that is not evidence it doesn't exist in the literature — it may simply not have been pulled in yet.

1,032 records (3.8% of the library) are not peer-reviewed — 962 of those are preprints posted before any journal review, and the rest are conference abstracts, regulatory notices and reports. Every study card on this page states its status plainly, and the score above is capped for anything that isn't a peer-reviewed article.

See the full, machine-readable breakdown of this library's coverage →

Newest studies, as a dated timeline →    Atom feed