High-stress mothers had lower hair cortisol than low-stress mothers, and daughters' cortisol was linked to their stress response.
November 2022 in “Innovation in aging” Older adults in Puerto Rico often couldn't be tested for hair cortisol due to refusal or lack of hair, with race and hair products affecting results.
51 citations
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November 2005 in “Journal of Medical Primatology” Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
May 2026 in “Preprints.org” Dark-coated cats are more stressed, and adoption reduces stress in cats.
44 citations
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November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
January 2026 in “Digital Repository (National Repository of Grey Literature)” Horse management affects stress levels, with police horses having the highest cortisol.
94 citations
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April 2002 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” A new gene mutation causes female pseudohermaphroditism due to glucocorticoid resistance.
66 citations
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May 2014 in “Conservation Physiology” Grizzly and black bears have different stress and hormone responses to salmon availability, influenced by nutrition and social competition.
38 citations
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August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
16 citations
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September 1990 in “Fertility and sterility” Ketoconazole can treat ovarian hyperandrogenism but should be used cautiously with monitoring and birth control.
13 citations
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January 2016 in “Annals of Dermatology” Stress can slow hair growth by affecting certain cells and pathways.
5 citations
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September 2016 in “Journal of Cosmetic Dermatology” Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.
1 citations
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January 2013 in “Journal of S C C J” Scalp massage reduces stress, increases relaxation, and improves blood circulation.
May 2026 in “Indian Journal of Medical Biochemistry” Hair biomarkers can help assess chronic stress in women's reproductive health but need standardized methods and regional studies.
Equine Cushing's disease in horses causes hormonal imbalance, leading to symptoms like abnormal hair growth and requires lifelong treatment with pergolide.
Editing the FGF5 gene in sheep increases fine wool growth.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
October 2023 in “Journal of the Endocrine Society” The desmopressin stimulation test helped identify an adrenal cause for a patient's Cushing's syndrome.
October 2020 in “Tierärztliche Praxis. Ausgabe Grosstiere, Nutztiere” Cows moving from tie-stalls to free-stalls had fewer leg injuries but more stress and heel horn erosions.
August 2017 in “ARSHI Veterinary Letters” A Shih Tzu with Cushing syndrome developed skin issues and was euthanized after treatment led to neurological problems.
March 2016 in “Journal of the Turkish-German Gynecological Association” The woman likely has a hormonal imbalance causing excessive hair growth.
A woman's Cushing's syndrome caused by adrenal cancer improved after surgery.
6 citations
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April 1989 in “The American Journal of the Medical Sciences” Glucocorticoids can cause long-term loss of body hair by lowering adrenal androgens.
3 citations
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November 2017 in “PubMed” Alopecia areata progression is linked to stress and hormone changes, suggesting new treatment targets.
1 citations
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January 2008 in “touchREVIEWS in Endocrinology” Generalized glucocorticoid resistance causes hormone imbalances and varied symptoms due to gene mutations.
January 2008 in “US endocrinology” Mutations in the glucocorticoid receptor gene cause reduced sensitivity to glucocorticoids and may lead to poor response to treatment.
11 citations
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January 2020 in “World Journal of Traditional Chinese Medicine” Kidney-yang deficiency syndrome causes hormonal imbalances and various physical symptoms.
11 citations
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March 1991 in “PubMed” Hormonal imbalances, including high prolactin and thyroid issues, contribute to hair growth problems in women.
7 citations
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October 2010 in “Medical Hypotheses” Alopecia areata may involve stress-related changes affecting hormone receptors, leading to reduced cortisol production.
September 2024 in “Medicine theory and practice” A young girl's hyperandrogenism was caused by an adrenocortical adenoma, diagnosed and treated through detailed evaluations.