Published online by Cambridge University Press: 14 November 2024
Why and how we age are deep and enduring questions. The quest for a theoretical framework explaining the evolutionary origins and proximate mechanisms of ageing has led to the elaboration of hundreds of theories of very diverse kinds. The aim of this chapter is twofold. First, it will provide an historical perspective of the numerous theories of ageing. Second, it will emphasize the need for a unified framework merging both evolutionary and mechanistic theories by demonstrating that such theoretical frameworks are required to promote innovative research projects involving the joint effort of multiple research disciplines.
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