Genetic Theories of Aging
The aging theories are a very high number, and also many scientists proposed different ways of dividing and categorizing them. As a major subset of these theories, the genetic theories of aging include three main concepts: (1) the genetics of aging can be interpreted in the light of the evolutionary theories; (2) the genetics of aging and longevity can be informative if ecological and anthropological views are considered; (3) the genetics components underpin all the theories of aging even if not specifically stated.
Aging and longevity (as well as each phenotype and complex trait) are the results of complex gene-environment interactions (GxE), and in modern humans, the dimension of the environment is very heterogeneous as it includes the cultural dimension and the ecological one (Giuliani et al. 2017). Moreover if we consider the human body as the reference point, the term environment refers to the past and present environment and includes two dimensions: (1) the...
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