Cortisol Awakening Response in Elite Military Men

Hernández, Lisa M.; Fuller, Shiloah A.; Sargent, Paul; Padilla, Genieleah A.; Harris, Erica; Taylor, Marcus K.

doi:10.1249/01.mss.0000478947.94844.5b

Cited by 1 publication

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“…This is consistent with our prior comparison of magnitude and pattern estimates of cortisol in these same men. 1,2 The stable parameters of magnitude in DHEA and testosterone are also very consistent with the broader literature. 4,7,11,34 Additionally, removal of noncompliant subjects did not appreciably affect measurement of either hormone.…”

Section: Discussionsupporting

confidence: 83%

“…Limitations of this study are recognized in prior reports. 1,2 Most notably, we were unable to include an internal control group. With this in mind, comparison to hormone concentrations observed in other studies is muddled by differing conditions and methodologies.…”

Section: Discussionmentioning

confidence: 99%

“…We recently characterized awakening responses 1 and daily patterns 2 of the catabolic stress hormone cortisol in elite military men. Anabolic hormones (e.g., dehydroepiandrosterone [DHEA 3,4 ] and testosterone [5][6][7] ) roughly follow the same daily pattern, loosely correlate to cortisol across the day, 4 and appear to counteract cortisol's catabolic and neurodegenerative effects.…”

Section: Introductionmentioning

confidence: 99%

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Anabolic hormone profiles in elite military men

et al. 2016

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We recently characterized the awakening responses and daily profiles of the catabolic stress hormone cortisol in elite military men. Anabolic hormones follow a similar daily pattern and may counteract the catabolic effects of cortisol. This companion report is the first to characterize daily profiles of anabolic hormones dehydroepiandrosterone (DHEA) and testosterone in this population. Overall, the men in this study displayed anabolic hormone profiles comparable to that of healthy, athletic populations. Consistent with the cortisol findings in our prior report, summary parameters of magnitude (hormone output) within the first hour after awakening displayed superior stability versus summary parameters of pattern for both DHEA (r range: 0.77-0.82) and testosterone (r range: 0.62-0.69). Summary parameters of evening function were stable for the two hormones (both p<0.001), while the absolute decrease in testosterone across the day was a stable proxy of diurnal function (p<0.001). Removal of noncompliant subjects did not appreciably affect concentration estimates for either hormone at any time point, nor did it alter the repeatability of any summary parameter. The first of its kind, this report enables accurate estimations of anabolic balance and resultant effects upon health and human performance in this highly resilient yet chronically stressed population.

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