Evidence map›Paper›PMID 38175866›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2024

Longevity, demographic characteristics, and socio-economic status are linked to triiodothyronine levels in the general population.

Ralph I Lawton, Bernardo L Sabatini, Daniel R Hochbaum

Open access · hybridAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
7.5field-weighted citation impact, top 2% of its field
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

13 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.

  1. Guideline
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Serum CD5L Responds Positively to Selenium and Coenzyme QAntioxidants (Basel, Switzerland) · 2025
    Article
  8. Review
  9. Review
  10. Article
  11. Thyroid Hormone Homeostasis in Levothyroxine-treated Patients: Findings From ELSA-Brasil.The Journal of clinical endocrinology and metabolism · 2024
    Article
  12. Article
  13. Article
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

3 authors at 1 institution in 1 country.

Ralph I LawtonHarvard Medical School, Boston, MA 02115.ORCID 0000-0003-4640-5962
Bernardo L SabatiniHarvard Medical School, Boston, MA 02115.ORCID 0000-0003-0095-9177
Daniel R HochbaumHarvard Medical School, Boston, MA 02115.
Harvard University · US

Funding

Medical Scientist Training ProgramT32GM144273 · NIGMS · HARVARD MEDICAL SCHOOL · PI David Shumway Jones, Jacqueline A. Lees · 2022 to 2026
$14.7M
Dendritic Ca signals in striatal medium spiny neuronsR01NS046579 · NINDS · HARVARD UNIVERSITY (MEDICAL SCHOOL) · PI SABATINI, BERNARDO L · 2004 to 2016
$5.0M
Action and interaction of ionotropic and metabotropic neurotransmissionR37NS046579 · NINDS · HARVARD MEDICAL SCHOOL · PI SABATINI, BERNARDO L · 2018 to 2024
$4.6M
MD-PhD Training Program in Aging and the Social/Behavioral SciencesT32AG051108 · NIA · HARVARD MEDICAL SCHOOL · PI MCWILLIAMS, JOHN MICHAEL · 2015 to 2025
$2.1M
NIA NIH HHS T32 AG051108NIGMS NIH HHS T32 GM144273NINDS NIH HHS R01 NS046579NINDS NIH HHS R37 NS046579
6 · The paper itself

Abstract

The hypothalamic-pituitary-thyroid (HPT) axis is fundamental to human biology, exerting central control over energy expenditure and body temperature. However, the consequences of normal physiologic HPT-axis variation in populations without diagnosed thyroid disease are poorly understood. Using nationally representative data from the 2007 to 2012 National Health and Nutrition Examination Survey, we explore relationships with demographic characteristics, longevity, and socio-economic factors. We find much larger variation across age in free T3 than other HPT-axis hormones. T3 and T4 have opposite relationships to mortality: free T3 is inversely related and free T4 is positively related to the likelihood of death. Free T3 and household income are negatively related, particularly at lower incomes. Finally, free T3 among older adults is associated with labor both in terms of unemployment and hours worked. Physiologic TSH/T4 explain only 1.7% of T3 variation, and neither are appreciably correlated to socio-economic outcomes. Taken together, our data suggest an unappreciated complexity of the HPT-axis signaling cascade broadly such that TSH and T4 may not be accurate surrogates of free T3. Furthermore, we find that subclinical variation in the HPT-axis effector hormone T3 is an important and overlooked factor linking socio-economic forces, human biology, and aging.

Indexed as

Thyroid GlandTriiodothyronineAgedDemographyEconomic StatusHumansHypothalamo-Hypophyseal SystemLongevityNutrition SurveysThyrotropinThyroxineThyrotropinThyroxineTriiodothyroninehealth demographicsmortalitysocioeconomic outcomesT3thyroid

Identifiers

PMID38175866
PMCPMC10786306
OpenAlexW4390577771

What OpenQuestion holds

Textmetadata
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.