28,180 Alzheimer's and dementia studies in plain English, each scored out of 100.
The case and death rates are, for example, significantly positively associated with early cases from the beginning of the epidemic, the average age, the population density and the number of people employed in elderly care. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The prevalence of hypertension showed statistically significant spatial clustering (global Moran’s I=0.442, p<.001), with high-high clusters concentrated in rural eup-myeon areas and low-low clusters in urban dong areas. 4 key findings →
Participants: 62,411 Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Previously, we found that circadian desynchrony was involved in isoflurane-induced cognitive impairment. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Alzheimer’s disease and related dementias (ADRD) disproportionately impact older Black American adults, with diet-related cardiometabolic conditions contributing to increased risk. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Higher densities of civic organizations were associated with lower county dementia incidence, while museums and recreational facilities were associated with lower prevalence and incidence. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
From 1999 to 2004, the U.S. age-adjusted annual death rate per 100,000 for dementia was 628 in blacks and 647 in whites. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
fifty-five geriatricians responded. Ninety-one per cent were consultant physicians, and 71% were not involved in outpatient diagnostic services. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
The PORs of AD in rural counties in NTR increased by 18.3%, 4.7%, and 19% compared with urban counties for 2013, 2014, and 2015, respectively. 5 key findings →
Participants: 92 Evidence: low
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Thirty thousand three hundred and ninety-eight deaths attributable to dementia as the underlying or related cause (multiple causes) were reported during 2015-2019. 5 key findings →
Evidence: low
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These findings suggest that caregivers living in rural regions may depend more on informal support for meeting basic care needs of their relative living with dementia. 3 key findings →
Participants: 163 Evidence: low
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Unmet need for long-term care (LTC) could be associated with higher health care utilization and medical spending. 5 key findings →
Evidence: low
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As rural areas have lower reported ADRD prevalence compared to urban areas in spite of lower educational attainment (which should lead to higher ADRD prevalence) this argues that the true burden of ADRD is likely underestimated in areas without adequate detection resources. 5 key findings →
Evidence: low
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This reduction is likely a consequence of the COVID-19 pandemic, which may have decreased overall diagnostic opportunities. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Understanding and addressing SDOH associated with hospitalizations among AI/AN older adults, with and without dementia, may aid in the development of strategies that reduce preventable hospitalization. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
In the history of psychiatry, the words mad and psychosis have often been used interchangeably, negatively contributing to the stigma associated with the term and the illness itself. 5 key findings →
Evidence: low
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Idiopathic rapid eye movement (REM) sleep behavior disorder (iRBD) is characterized by the loss of atonia during REM sleep, causing dream-enacting behavior. 4 key findings →
Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
BackgroundNeighborhood disadvantage has been associated with reduced cognitive reserve, increased risk for cognitive impairment, and greater Alzheimer's disease (AD) neuropathology, with particularly pronounced effects among Black and Hispanic/Latino older adults. 4 key findings →
Evidence: low
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Overall, our findings suggest that greater neighborhood disadvantage may influence select domains of memory, and that one’s self-reported loneliness may influence how this relationship manifests. 4 key findings →
Participants: 136 Evidence: low
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Specifically, higher inflammation was associated with worse processing speed (B = -0.01; p < .05) and working memory (B = 8323.66; p < .1) only among those from more disadvantaged neighborhoods. 3 key findings →
Participants: 51 Evidence: low
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Participants exhibited strong awareness of the risks associated with complications and the severity of chronic diseases. 5 key findings →
Design: cross-sectional Evidence: low
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The 2024 Lancet Commission estimates 45% of dementias worldwide are preventable if 14 potentially modifiable risk factors for dementia were eliminated. 2 key findings →
Evidence: low
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In medical school, students learn to view the world through a biomedical lens. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
We sought to identify patterns in occupational therapy (OT) and physical therapy (PT) home health care visits among people living with dementia (PLWD) by (1) level of function care partner report compared with administrative data, (2) race and ethnicity, and (3) level of socioeconomic resources. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Alzheimer's disease currently has no cure and is usually detected too late for interventions to be effective. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
SSP is a flexible and predictive neighborhood‐level measure of health disparities compared to indices like the Gini coefficient. 5 key findings →
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 28,180 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 28,180 records, built mostly from automated pulls of Europe PMC (61.7% of the library) and OpenAlex (18.1%), 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.
1,034 records (3.7% 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 →