On the Commentary by Anatoly I. Mikhalsky Published in Biochemistry (Moscow), Vol. 88, No. 1, pp. 162-163 (2023)

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Leonid A. Gavrilov^1,2,a* and Natalia S. Gavrilova^1,2

¹Academic Research Centers, NORC at the University of Chicago, 60637 Chicago, IL, USA

²Institute for Demographic Research, Federal Center of Theoretical and Applied Sociology, Russian Academy of Sciences, 109028 Moscow, Russia

^* To whom correspondence should be addressed.

Received January 10, 2023; Revised January 10, 2023; Accepted January 10, 2023

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Caution is needed in using cohort data when studying age-related mortality dynamics, because mortality depends not only on age, but also on the changing living conditions over time. A hypothesis is proposed for further testing that the actuarial aging rate may even decrease in more recent birth cohorts of people due to improved living conditions.

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KEY WORDS: mortality, cohort data, aging rate, aging deceleration hypothesis

DOI: 10.1134/S0006297923020116

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