What question did this study set out to answer?

To assess how total body potassium and gross body composition change relative to chronological age across the human lifespan.

October 1, 1960Journal of Gerontology

Total Body Potassium and Gross Body Composition in Relation to Age

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To assess how total body potassium and gross body composition change relative to chronological age across the human lifespan.
Measured endogenous potassium-40 gamma radioactivity using whole-body liquid scintillation counters to calculate total body potassium.
Estimated gross body composition parameters, specifically separating fat-free mass from adipose tissue across age cohorts.
Total body potassium concentrations peaked in early adulthood and exhibited a consistent, progressive decline throughout subsequent decades.
Calculated relative fat mass increased with age as lean tissue mass systematically decreased across both male and female cohorts.

Implication

Cross-sectional study reveals age-related declines in total body potassium, indicating progressive loss of lean tissue with advancing age.

Abstract

T. H. Allen, Ph.D., E. C. Anderson, Ph.D., W. H. Langham, Ph.D.; Total Body Potassium and Gross Body Composition in Relation to Age*, Journal of Gerontolog

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Cite This Study

Allen et al. (1960) studied this question.

synapsesocial.com/papers/6a718a8131a3df824329af57 https://doi.org/10.1093/geronj/15.4.348

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Implication

Cross-sectional study reveals age-related declines in total body potassium, indicating progressive loss of lean tissue with advancing age.

Abstract

T. H. Allen, Ph.D., E. C. Anderson, Ph.D., W. H. Langham, Ph.D.; Total Body Potassium and Gross Body Composition in Relation to Age*, Journal of Gerontolog

Total Body Potassium and Gross Body Composition in Relation to Age

Key Points

Implication

Abstract

Discussion

Cite This Study

Total Body Potassium and Gross Body Composition in Relation to Age

Key Points

Implication

Abstract

Discussion

Cite This Study

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