Sources of Variation in Hair Cortisol in Wild and Captive Non-Human Primates

February 2016 in “ Zoology ”

Nicolaas H. Fourie, Janine L. Brown, Clifford J. Jolly, Jane E. Phillips‐Conroy, Jeffrey Rogers, Robin Bernstein

hair cortisol adrenal function chronic stress hair growth rates cortisol extraction

Studysummary This study observed that hair cortisol concentrations in primates are influenced by factors such as age, sex, hair growth rates, and sampling methods, which must be accounted for in research designs.

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research An Investigation of Hair Cortisol Concentration Across Body Sites and Within Hair Shaft

22 citations , January 2010 in “Clinical Medicine Insights Endocrinology and Diabetes”

In this study, hair from forearms showed higher cortisol levels than hair from lower legs, suggesting a localized cortisol response in hair.

research Hair Analysis Provides A Historical Record Of Cortisol Levels In Cushing's Syndrome

217 citations , July 2009 in “Experimental and Clinical Endocrinology & Diabetes”

This study found that hair cortisol levels were significantly higher in patients with Cushing's Syndrome compared to healthy controls, suggesting hair analysis can provide historical information on cortisol exposure.

Hair as a Retrospective Calendar of Cortisol Production—Increased Cortisol Incorporation into Hair in the Third Trimester of Pregnancy

research Hair as a Retrospective Calendar of Cortisol Production—Increased Cortisol Incorporation into Hair in the Third Trimester of Pregnancy

501 citations , October 2008 in “Psychoneuroendocrinology”

This study suggests that cortisol measured in human hair can effectively reflect increased production for up to six months, but its retrospective accuracy may be limited due to rapid decline in levels.

research Measurement of Cortisol in Human Hair as a Biomarker of Systemic Exposure

567 citations , October 2007 in “Clinical and investigative medicine”

This study described a new assay for measuring cortisol in hair and found it may serve as a useful biomarker for long-term cortisol exposure, correlating with 24-hour urine cortisol levels in non-obese subjects.

research Cortisol Determination in Hair and Feces from Domestic Cats and Dogs

199 citations , July 2007 in “General and Comparative Endocrinology”

In this study, researchers found a significant positive association between cortisol levels in hair and feces of domestic cats and dogs, suggesting hair cortisol assays could be a viable option for monitoring chronic stress.