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Intelligence, health and death

Author

Listed:
  • Ian J. Deary

    (University of Edinburgh)

  • W. David Hill

    (University of Edinburgh)

  • Catharine R. Gale

    (University of Edinburgh
    University of Southampton, Southampton General Hospital)

Abstract

The field of cognitive epidemiology studies the prospective associations between cognitive abilities and health outcomes. We review research in this field over the past decade and describe how our understanding of the association between intelligence and all-cause mortality has consolidated with the appearance of new, population-scale data. To try to understand the association better, we discuss how intelligence relates to specific causes of death, diseases/diagnoses and biomarkers of health through the adult life course. We examine the extent to which mortality and health associations with intelligence might be attributable to people’s differences in education, other indicators of socioeconomic status, health literacy and adult environments and behaviours. Finally, we discuss whether genetic data provide new tools to understand parts of the intelligence–health associations. Social epidemiologists, differential psychologists and behavioural and statistical geneticists, among others, contribute to cognitive epidemiology; advances will occur by building on a common cross-disciplinary knowledge base.

Suggested Citation

  • Ian J. Deary & W. David Hill & Catharine R. Gale, 2021. "Intelligence, health and death," Nature Human Behaviour, Nature, vol. 5(4), pages 416-430, April.
    • Handle: RePEc:nat:nathum:v:5:y:2021:i:4:d:10.1038_s41562-021-01078-9
    DOI: 10.1038/s41562-021-01078-9
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    Citations

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    Cited by:

    1. Fries, Jonathan & Pietschnig, Jakob, 2022. "An intelligent mind in a healthy body? Predicting health by cognitive ability in a large European sample," Intelligence, Elsevier, vol. 93(C).
    2. Sörman, Daniel Eriksson & Stenling, Andreas & Sundström, Anna & Rönnlund, Michael & Vega-Mendoza, Mariana & Hansson, Patrik & Ljungberg, Jessica K., 2021. "Occupational cognitive complexity and episodic memory in old age," Intelligence, Elsevier, vol. 89(C).
    3. Sánchez-Izquierdo, Macarena & Fernández-Ballesteros, Rocío & Valeriano-Lorenzo, Elizabeth Lucía & Botella, Juan, 2023. "Intelligence and life expectancy in late adulthood: A meta-analysis," Intelligence, Elsevier, vol. 98(C).
    4. Eichelberger, Dominique A. & Sticca, Fabio & Kübler, Dinah R. & Kakebeeke, Tanja H. & Caflisch, Jon A. & Jenni, Oskar G. & Wehrle, Flavia M., 2023. "Stability of mental abilities and physical growth from 6 months to 65 years: Findings from the Zurich Longitudinal Studies," Intelligence, Elsevier, vol. 97(C).

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