Dietary Factors Related to Frailty and Reduced Functional Capacity

Authored by: William J. Evans

Handbook of Nutrition and Food

Print publication date:  July  2013
Online publication date:  April  2016

Print ISBN: 9781466505711
eBook ISBN: 9781466505728
Adobe ISBN:


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Aging is associated with an astonishing number of changes and adaptive responses. The challenge of scientists and clinicians has been to separate true biological aging from genetic and environmental adaptations. For example, a reduction in lean body mass and an increase in fat mass is one of the most striking and consistent changes associated with advancing age. Skeletal muscle 1 and bone mass are the principal (if not exclusive) components of lean body mass to decline with age. These changes in body composition appear to occur throughout life and have important functional and metabolic consequences.

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