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A cohort is not representative of humanity

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  • Kashnitsky, Ilya

    (Netherlands Interdisciplinary Demographic Institute)

Abstract

In the freshly published research letter, Dong, Milholland, and Vijg (DMV) reported that they found strong evidence for a limit to human lifespan. Analyzing data from International Database on Longevity, they found that the yearly maximum reported age at death (MRAD, i.e. age at death of the world’s oldest person died in a specific year) stopped increasing from the mid-1990-s reaching a plateau at around 115 years. Even though the authors acknowledge that the data on “the supercentenarians … are still noisy and made of small samples”, they feel safe to conclude that “the results strongly suggest that the human lifespan has a natural limit”. I argue that the results and conclusions of the study are likely to be caused by just a data artifact, and that they are hardly generalizable for the humanity.

Suggested Citation

  • Kashnitsky, Ilya, 2017. "A cohort is not representative of humanity," OSF Preprints 524kg, Center for Open Science.
    • Handle: RePEc:osf:osfxxx:524kg
    DOI: 10.31219/osf.io/524kg
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    References listed on IDEAS

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    1. James W. Vaupel, 2010. "Biodemography of human ageing," Nature, Nature, vol. 464(7288), pages 536-542, March.
    2. Xiao Dong & Brandon Milholland & Jan Vijg, 2016. "Evidence for a limit to human lifespan," Nature, Nature, vol. 538(7624), pages 257-259, October.
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