Evolution of aging: individual life history trade-offs and population heterogeneity account for mortality patterns across species.

Abstract excerpt

A broad range of mortality patterns has been documented across species, some even including decreasing mortality over age. Whether there exist a common denominator to explain both similarities and differences in these mortality patterns remains an open question. The disposable soma theory, an evolutionary theory of aging, proposes that universal intracellular trade-offs between maintenance/lifespan and...

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