June 2025 in “Journal of Kufa for Chemical Sciences” This study found that in males with alopecia areata, adult patients had significantly higher levels of adrenaline and prolactin compared to healthy controls, suggesting these hormones may play roles in the condition's development.
April 2025 in “Medical Journal of Babylon” This study found that male patients with alopecia areata had significantly higher levels of copeptin and cortisol compared to healthy controls, suggesting these biomarkers could play a role in the condition's pathophysiology and may serve as diagnostic indicators.
September 2024 in “Toxicology Letters” Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.
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July 2021 in “Journal of The American Academy of Dermatology” People with alopecia who are more resilient tend to feel less stressed.
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January 2016 in “MethodsX” This study found that while the reproducibility of hair cortisol measurements in captive chimpanzees was high, the fineness of homogenized hair, sample weight, and extraction time influenced absolute cortisol concentrations.