Evidence map›Paper›PMID 29854932›Full record

ReviewAlzheimer's & dementia (New York, N. Y.)2015

Is late-onset Alzheimer's disease really a disease of midlife?

Karen Ritchie, Craig W Ritchie, Kristine Yaffe, Ingmar Skoog, Nikolaos Scarmeas

Abstract readReview
In one paragraph

Review in Alzheimer's & dementia (New York, N. Y.), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
–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

56 citing papers in PubMed.

  1. Linking epigenetic age acceleration to self-reported daily memory lapses: evidence from the National Study of Daily Experiences.The journals of gerontology. Series A, Biological sciences and medical sciences · 2026
    Article
  2. Article
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  5. Association of type 2 diabetes treatment status with in vivo biomarkers of Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
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  8. Review
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  11. Computational Phenotyping of Cognitive Decline With Retest Learning.The journals of gerontology. Series B, Psychological sciences and social sciences · 2025
    Article
  12. Physical activity changes during midlife link to brain integrity and amyloid burden.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Observational
  13. Article
  14. Article
  15. Article
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  19. Article
  20. Sex Differences in Alzheimer's Disease.Neurologic clinics · 2023
    Review
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

5 authors.

Karen RitchieInstitut National de la Santé et de la Recherche Médicale, U1061 Neuropsychiatry, Montpellier, France.
Craig W RitchieFaculty of Medicine, Imperial College London, UK.
Kristine YaffeUniversity of California at San Francisco, USA.
Ingmar SkoogCentre for Health and Ageing (AgeCap), Institute of Neuroscience and Physiology, Sahlgrenska Academy at the University of Gothenburg, Sweden.
Nikolaos ScarmeasDepartment of Social Medicine, Psychiatry and Neurology, National and Kapodistrian University of Athens, Greece.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionIncreasing evidence suggests that Alzheimer's disease (AD) may begin decades before evidence of dementia, indicating that it may be a disorder of midlife rather than old age.

methodsIn the absence of long-term prospective studies from early adulthood specifically designed to address this question, a group of international experts examined evidence presently available from previous clinical and population studies to provide an evidence-based opinion as to whether such a change in conceptualization may be justified.

resultsAlthough still lacking confirmation from dedicated prospective biomarker studies, there is already considerable evidence to suggest both risk factor exposure and brain changes may be already present in midlife. DISCUSSION: Current evidence suggests (1) that a change in clinical approach notably involving promotion of cardiovascular health in persons with a family history of AD may considerably reduce disease risk and (2) that the development of biomarkers at this early stage will lead to the possibility of clinical trials at a much earlier stage.

Indexed as

Alzheimer's diseaseDementiaInterventionRisk factors

Identifiers

PMID29854932
PMCPMC5975058

What OpenQuestion holds

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LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.