The endeavor of high maintenance homeostasis: Resting metabolic rate and the legacy of longevity

Carmelinda Ruggiero, Luigi Ferrucci

Research output: Contribution to journalArticle

Abstract

Metabolism, the continuous conversion between structural molecules and energy, is life in essence. Size, metabolic rate, and maximum life span appear to be inextricably interconnected in all biological organisms and almost follow a "universal" law. The notion of metabolic rate as the natural "rate of living" filled most of the academic discussion on aging in the early 20th century to be later replaced by the free-radical theory of aging. We argue that the rate of living theory was discarded too quickly and that studying factors affecting resting metabolic rate during the aging process may provide great insight into the core mechanisms explaining differential longevity between individuals, and possibly the process leading to frailty. We predict that measures of resting metabolic rate will be introduced in geriatric clinical practice to gather information on the degree of multisystem dysregulation, exhaustion of energy reserve, and risk of irreversible frailty.

Original languageEnglish (US)
Pages (from-to)466-471
Number of pages6
JournalJournals of Gerontology - Series A Biological Sciences and Medical Sciences
Volume61
Issue number5
StatePublished - May 2006
Externally publishedYes

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Basal Metabolism
Homeostasis
Maintenance
Geriatrics
Free Radicals

ASJC Scopus subject areas

  • Aging

Cite this

The endeavor of high maintenance homeostasis : Resting metabolic rate and the legacy of longevity. / Ruggiero, Carmelinda; Ferrucci, Luigi.

In: Journals of Gerontology - Series A Biological Sciences and Medical Sciences, Vol. 61, No. 5, 05.2006, p. 466-471.

Research output: Contribution to journalArticle

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