31,380 Alzheimer's and dementia studies in plain English, each scored out of 100.
Choline acetyltransferase (ChAT), acetylcholinesterase (AChE) and glutamic acid decarboxylase (GAD) activities were measured in 20 brain regions from autopsied control and senile dementia of the Alzheimer type (SDAT) cases. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Activated monocytes release a number of substances, including inflammatory cytokines and eicosanoids, that are highly toxic to cells of the central nervous system. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
These results imply that individuals with MCI have increased brain oxidative damage before the onset of symptomatic dementia. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The delivery of many potentially therapeutic and diagnostic compounds to specific areas of the brain is restricted by brain barriers, of which the most well known are the blood-brain barrier (BBB) and the blood-cerebrospinal fluid (CSF) barrier. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The betaA4 peptide, a major component of senile plaques in Alzheimer's disease (AD) brain, has been found in cerebrospinal fluid (CSF) and blood of both AD patients and normal subjects. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Magnetic resonance imaging (MRI) patterns were examined together with cerebrospinal fluid (CSF) biomarkers in serial scans of Alzheimer's Disease Neuroimaging Initiative (ADNI) participants with mild cognitive impairment (MCI). 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Aggregation of amyloid-β (Aβ) into oligomers, fibrils, and plaques is central in the molecular pathogenesis of Alzheimer's disease (AD), and is the main focus of AD drug development. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The theory on the glymphatic convection mechanism of cerebrospinal fluid holds that cardiac pulsations in part pump cerebrospinal fluid from the peri-arterial spaces through the extracellular tissue into the peri-venous spaces facilitated by aquaporin water channels. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
A nanoscale optical biosensor based on localized surface plasmon resonance (LSPR) spectroscopy has been developed to monitor the interaction between the antigen, amyloid-beta derived diffusible ligands (ADDLs), and specific anti-ADDL antibodies. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Recent studies indicated that the formation of a major constituent of Alzheimer's disease (AD) senile plaques, called beta A4-peptide, does not result from normal processing of its precursor, amyloid precursor protein (APP). 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Recent neuropsychological studies suggest that, in addition to prominent mnemonic dysfunction, attentional impairments are a core feature of Alzheimer disease (AD). 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The purpose of this article is to identify the cognitive deficits commonly associated with geriatric depression and describe their clinical significance. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
Subclinical cognitive impairment was found to not constitute a unitary phenomenon and heterogeneous subgroups could be differentiated. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
People with neurological conditions such as Parkinson's disease and dementia are known to have difficulties in language and communication. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
This paper considers the suitability of the Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-cog) as the gold standard in registration trials of treatments for Alzheimer's disease. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Worse pain scores and executive function scores were associated with worse physical function in older adults with painful knee OA. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
While a potential causal factor in Alzheimer's disease (AD), brain insulin resistance has not been demonstrated directly in that disorder. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
First recognized as a major determinant in lipoprotein metabolism and cardiovascular disease, apolipoprotein (apo) E has emerged as an important molecule in several biological processes not directly related to its lipid transport function, including Alzheimer's disease and cognitive function, immunoregulation, and possibly even infectious diseases. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
Elimination of amyloid-ss peptide (Ass) from the brain is poorly understood. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Apolipoprotein E is associated with age-related risk for Alzheimer's disease and plays critical roles in Abeta homeostasis. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The premise of this review is that apolipoprotein (apo) E4 is much more than a contributing factor to neurodegeneration. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Apolipoprotein (apo) E is a multifunctional protein with central roles in lipid metabolism, neurobiology, and neurodegenerative diseases. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
Research in the field of molecular biology has helped to provide a better understanding of both the cascade of biochemical events that occurs with Alzheimer disease (AD) and the heterogeneous nature of the disease. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
When properly controlled, Ca2+ fluxes across the plasma membrane and between intracellular compartments play critical roles in fundamental functions of neurons, including the regulation of neurite outgrowth and synaptogenesis, synaptic transmission and plasticity, and cell survival. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The blood–brain barrier (BBB) limits the entry of neurotoxic blood-derived products and cells into the brain that is required for normal neuronal functioning and information processing. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
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 31,380 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.
This is a large sample of the Alzheimer's literature, not an exhaustive index of it. It holds 31,380 records, built mostly from automated pulls of Europe PMC (65.6% of the library) and OpenAlex (16.2%), 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.
1,048 records (3.3% of the library) are not peer-reviewed — 973 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