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Social inequalities as sources of extrinsic mortality: implications of the two-tiered model

Published online by Cambridge University Press:  11 November 2025

Isaac Sasson Open the ORCID record for Isaac Sasson [Opens in a new window]
Isaac Sasson*
Affiliation:
Department of Sociology and Anthropology, Tel Aviv University, Tel Aviv, Israel isasson@tauex.tau.ac.il
*
*Corresponding author.
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Abstract

Ellis et al.’s two-tiered model compellingly integrates biological and psychosocial pathways through which extrinsic mortality shapes life history strategies. An understated, yet important, implication of their framework is the role of social inequalities in signaling mortality risk – particularly through differential exposure to bereavement – and how it may give rise to distinct life history strategies and outcomes.

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Open Peer Commentary
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Behavioral and Brain Sciences , Volume 48 , 2025 , e119
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© The Author(s), 2025. Published by Cambridge University Press

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