The long lives of primates and the "invariant rate of ageing" hypothesis
- Colchero, Fernando
- Aburto, José Manuel
- Archie, Elizabeth A.
- Boesch, Christophe
- Breuer, Thomas
- Campos, Fernando A.
- Collins, Anthony
- Conde, Dalia A.
- Cords, Marina
- Crockford, Catherine
- Thompson, Melissa Emery
- Fedigan, Linda M.
- Fichtel, Claudia
- Groenenberg, Milou
- Hobaiter, Catherine
- Kappeler, Peter M.
- Lawler, Richard R.
- Lewis, Rebecca J.
- Machanda, Zarin P.
- Manguette, Marie L.
- Muller, Martin N.
- Packer, Craig
- Parnell, Richard J.
- Perry, Susan
- Pusey, Anne E.
- Robbins, Martha M.
- Seyfarth, Robert M.
- Silk, Joan B.
- Staerk, Johanna
- Stoinski, Tara S.
- Stokes, Emma J.
- Strier, Karen B.
- Strum, Shirley C.
- Tung, Jenny
- Villavicencio, Francisco
- Wittig, Roman M.
- Wrangham, Richard W.
- Zuberbühler, Klaus
- Vaupel, James W.
- Alberts, Susan C.
DOIAbstract
Is it possible to slow the rate of ageing, or do biological constraints limit its plasticity? We test the 'invariant rate of ageing' hypothesis, which posits that the rate of ageing is relatively fixed within species, with a collection of 39 human and nonhuman primate datasets across seven genera. We first recapitulate, in nonhuman primates, the highly regular relationship between life expectancy and lifespan equality seen in humans. We next demonstrate that variation in the rate of ageing within genera is orders of magnitude smaller than variation in pre-adult and age-independent mortality. Finally, we demonstrate that changes in the rate of ageing, but not other mortality parameters, produce striking, species-atypical changes mortality pa...
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