Frontotemporal lobar degeneration (FTLD) is the second most common cause of presenile dementia. 1 key finding →
Participants: 515 Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
32,180 Alzheimer's and dementia studies in plain English, each scored out of 100.
Frontotemporal lobar degeneration (FTLD) is the second most common cause of presenile dementia. 1 key finding →
Participants: 515 Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Greater neighborhood disadvantage was associated with elevated inflammatory and AD CSF biomarkers cross-sectionally and longitudinal increases in a nonspecific inflammatory blood biomarker. 5 key findings →
Design: longitudinal study Participants: 334 Evidence: moderate
Full summary, score breakdown and related studies → Original source
Variants of UNC13A, a critical gene for synapse function, increase the risk of amyotrophic lateral sclerosis and frontotemporal dementia 1-3 , two related neurodegenerative diseases defined by mislocalization of the RNA-binding protein TDP-43 4,5 . 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Alzheimer's disease (AD) and related dementias are a major public health challenge and present a therapeutic imperative for which we need additional insight into molecular pathogenesis. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Self-report of poor sleep was associated with greater AD-related pathology in cognitively healthy adults at risk for AD. 3 key findings →
Participants: 101 Evidence: moderate
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Pericyte damage, reflected by CSF PDGFRβ, may be involved in age-related BBB disruption together with neuroinflammation, but is not related to Alzheimer-related pathologic changes. 2 key findings →
Participants: 408 Evidence: moderate
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Researchers quantified the phosphorylation state at multiple sites of the tau protein in cerebrospinal fluid markers across four decades of disease progression in dominantly inherited Alzheimer's disease. 3 key findings →
Full summary, score breakdown and related studies → Original source Free full text
Of 40 included participants (mean [SD] age at death, 88 [8] years; 21 [52%] male), 19 had early-stage dementia with Braak stages III to IV, 13 had resilient brains with similar Braak stages III to IV, and 8 had no dementia (Braak stages 0-II). 4 key findings →
Design: cross-sectional Participants: 40 Evidence: low
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Gonadal development is a complex process that involves sex determination followed by divergent maturation into either testes or ovaries 1 . 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Intronic expansion of the GGGGCC hexanucleotide repeat within the C9ORF72 gene causes frontotemporal dementia and amyotrophic lateral sclerosis/motor neuron disease in both familial and sporadic cases. 4 key findings →
Participants: 361 Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
Each additional copy of the apolipoprotein E4 (APOE4) allele is associated with a higher risk of Alzheimer's dementia, while the APOE2 allele is associated with a lower risk of Alzheimer's dementia, it is not yet known whether APOE2 homozygotes have a particularly low risk. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Using exome sequencing, we identified a p.R191Q amino acid change in the valosin-containing protein (VCP) gene in an Italian family with autosomal dominantly inherited amyotrophic lateral sclerosis (ALS). 1 key finding →
Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
There was strong agreement regarding the definition of the core clinico-radiological syndrome, meaning that the current consensus statement should be regarded as a refinement, development, and extension of previous single-center PCA criteria rather than any wholesale alteration or redescription of the syndrome. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Plasma markers of inflammation and complement dysregulation support diagnosis and outcome prediction in AD and MCI. 1 key finding →
Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
Despite continuing debate about the amyloid β-protein (or Aβ hypothesis, new lines of evidence from laboratories and clinics worldwide support the concept that an imbalance between production and clearance of Aβ42 and related Aβ peptides is a very early, often initiating factor in Alzheimer's disease (AD). 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Elecsys-derived CSF biomarkers detect AD neuropathologic changes with very high discriminative accuracy in vivo. 2 key findings →
Participants: 27 Evidence: low
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Clinicopathological evidence suggests that the pathology of Alzheimer's disease (AD) begins many years before the appearance of cognitive symptoms. 3 key findings →
Design: cross-sectional Evidence: moderate
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TREM2 is an innate immune receptor expressed on the surface of microglia. 4 key findings →
Design: cross-sectional Evidence: low
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The discovery that heterozygous missense mutations in the gene encoding triggering receptor expressed on myeloid cells 2 (TREM2) are risk factors for Alzheimer's disease (AD), with only the apolipoprotein E (APOE) ε4 gene allele conferring a higher risk, has led to increased interest in immune biology in the brain. 4 key findings →
Participants: 37 Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
The role of microglia in tau accumulation is currently unclear but could provide an important insight into the mechanisms underlying Alzheimer's disease (AD) 1 . 4 key findings →
Design: longitudinal study Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
Whether or not neuropsychiatric symptoms (NPS) in advance of dementia are associated with Alzheimer's disease (AD) and/or other neurodegenerative dementias remains to be determined. 5 key findings →
Participants: 1,016 Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
A thinner RNFL was associated with worse cognitive performance on baseline assessment. 5 key findings →
Participants: 38 Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
A biological research framework to define Alzheimer' disease with dichotomized biomarker measurement was proposed by National Institute on Aging-Alzheimer's Association (NIA-AA). 3 key findings →
Design: longitudinal study Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
Microglia are central players in Alzheimer's disease pathology but analyzing microglial states in human brain samples is challenging due to genetic diversity, postmortem delay and admixture of pathologies. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
& aims The combination of atezolizumab and bevacizumab (atezo+bev) is the current standard of care for advanced hepatocellular carcinoma (HCC), providing a median overall survival (OS) of 19.2 months. 4 key findings →
Participants: 317 Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
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. Show only studies that are free to read
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.
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 32,180 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.
This is a large sample of the Alzheimer's literature, not an exhaustive index of it. It holds 32,180 records, built mostly from automated pulls of Europe PMC (66.5% of the library) and OpenAlex (15.8%), 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.
1,045 records (3.2% of the library) are not peer-reviewed — 966 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 Where this research is being discussed: events
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