24 citations
,
November 2016 in “Molecular Medicine Reports” Hormonal imbalances, often indicating conditions like PCOS, are common in women with hard-to-treat acne, and a treatment approach addressing these imbalances may be needed.
23 citations
,
March 2009 in “Skin Pharmacology and Physiology” Hair loss in men and women is linked to high stress hormone levels and other hormonal imbalances, suggesting treatments should be customized to each person's hormones.
19 citations
,
August 1999 in “European journal of endocrinology” The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.
16 citations
,
May 1998 in “International Journal of Dermatology” Stress hormones like cortisol may trigger psoriasis flare-ups.
11 citations
,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
7 citations
,
October 2020 in “INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH” Stress worsens symptoms and body changes in women with PCOS, especially during COVID-19.
5 citations
,
May 2017 in “Journal of the European Academy of Dermatology and Venereology” The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.
5 citations
,
April 2011 in “The Lancet” Untreated congenital adrenal hyperplasia can lead to complications like stroke and needs glucocorticoid treatment.
2 citations
,
June 2020 in “AIDS” Recreational drug use can cause misdiagnosed conditions and drug interactions in HIV patients.
1 citations
,
December 2021 in “American Journal of Obstetrics and Gynecology” Hair cortisol levels peak in the third trimester and decline postpartum.
January 2026 in “Neuroscience Applied” Hair cortisol levels decrease as children age, stabilizing around age 4.
November 2022 in “Journal of the Endocrine Society” A boy with a new NR5A1 gene mutation has a sex development disorder without affecting his adrenal glands.
July 2021 in “Advances in laboratory medicine” Diagnosing sex development disorders requires combining medical history, physical exams, imaging, lab tests, and genetic data.
Hair cortisol may help identify adrenal insufficiency in sickle cell disease patients.
Distal hair cortisol is not a reliable measure of early pregnancy cortisol levels.
44 citations
,
February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
24 citations
,
October 2018 in “Addiction Biology” Alcohol dependence affects stress hormone levels more than childhood maltreatment.
22 citations
,
August 2016 in “European Eating Disorders Review” Adolescent girls with anorexia nervosa have lower hair cortisol levels than healthy and psychiatric peers.
March 2026 in “Journal of Pain” Preoperative stress markers alone don't predict chronic post-surgical pain.
January 2026 in “Phaidra - Repository of the University of Veterinary Medicine, Vienna” Hair cortisol levels in wolves reflect stress and vary by season and body region.
50 citations
,
July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
33 citations
,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
22 citations
,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
21 citations
,
January 2017 in “MethodsX” Methanol is better than isopropanol for washing grizzly bear hair to measure cortisol.
12 citations
,
December 2020 in “Comprehensive psychoneuroendocrinology” Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
7 citations
,
April 2022 in “Journal of pharmaceutical and biomedical analysis” The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
May 2024 in “Journal of clinical case studies reviews & reports” A man's health improved after treating his undiagnosed adrenal insufficiency, which caused fatigue and weight loss.
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
7 citations
,
October 2015 in “American Journal of Primatology” Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.