The
science of behavior has been afforded much fuel for advancement of notions of
lifespan development through the emerging observations of (i) physical exercise
as an intervention for disease states and health assurances and (ii)
epigenetics as the biological avenues determining whether or not individuals
well-being or ill being. Any bodily activity that enhances or maintains physical
fitness implies the involvement of regular and frequent exercise have defined
exercise as a planned, structured physical activity with the purpose of
improving one or more aspects of physical fitness and functional capacity.
Epigenetics may be defined as the study of heritable phenotypic expressions
resulting from changes in a chromosome without alterations in the DNA sequence.
It has been applied in developmental psychology to examine psychobiological
development emerging from an ongoing, bi-directional interchange between
heredity and the environment through mechanisms of temporal and spatial control
of gene activity during the development of complex organisms thereby shaping
the behavior of individuals and organisms; as an experimental aspect of
psychology it investigates how the life-span of ‘nurture’ orchestrates the
biological heredity of ‘nature’. Read more..................
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