Evidence map›Paper›PMID 33982659›Full record

RevieweLife2021

Sex differences in biological aging with a focus on human studies.

Sara Hägg, Juulia Jylhävä

Abstract readReview
In one paragraph

Review in eLife, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 250 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
250citing papers in PubMed, 2 pooled it
–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

250 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  14. Leisure-time physical activity and metabolomic trajectories over the transition from late midlife to old age.The journals of gerontology. Series A, Biological sciences and medical sciences · 2026
    Article
  15. Embracing non-linearity in human ageing.Nature reviews. Genetics · 2026
    Review
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190 more citing papers are in PubMed but not listed here.

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

2 authors.

Sara HäggDepartment of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.ORCID 0000-0002-2452-1500
Juulia JylhäväDepartment of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.ORCID 0000-0003-0250-4491

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Aging is a complex biological process characterized by hallmark features accumulating over the life course, shaping the individual's aging trajectory and subsequent disease risks. There is substantial individual variability in the aging process between men and women. In general, women live longer than men, consistent with lower biological ages as assessed by molecular biomarkers, but there is a paradox. Women are frailer and have worse health at the end of life, while men still perform better in physical function examinations. Moreover, many age-related diseases show sex-specific patterns. In this review, we aim to summarize the current knowledge on sexual dimorphism in human studies, with support from animal research, on biological aging and illnesses. We also attempt to place it in the context of the theories of aging, as well as discuss the explanations for the sex differences, for example, the sex-chromosome linked mechanisms and hormonally driven differences.

Indexed as

Sex CharacteristicsAgingAnimalsFemaleGonadal Steroid HormonesHumansMaleSex ChromosomesGonadal Steroid Hormonesage-related diseasesbiological agingepidemiologyglobal healthsexual dimorphismtheories of aging

Identifiers

PMID33982659
PMCPMC8118651

What OpenQuestion holds

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LicenceCC BY
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.