189 citations
,
January 2014 in “Journal of Visualized Experiments” Hair cortisol analysis effectively measures long-term stress.
10 citations
,
November 2019 in “Neuroendocrinology” Measuring 17-hydroxyprogesterone in hair can help monitor androgen levels in people with congenital adrenal hyperplasia.
9 citations
,
April 2016 in “Clinical Endocrinology” Scalp hair 17-OHP and androstenedione levels can help monitor treatment in CAH patients.
354 citations
,
August 1991 in “Molecular Endocrinology” Human adrenals and gonads have a unique enzyme for steroid hormone production.
9 citations
,
December 1958 in “Journal of Investigative Dermatology” Hair cortisol levels can effectively indicate long-term hormone activity.
3 citations
,
January 2017 in “Yonsei Medical Journal” Blocking 11β-HSD1 can lessen the harmful effects of glucocorticoids on hair growth cells.
54 citations
,
May 2015 in “Endocrinology” Manipulating 5α-reductase type 2 can affect liver fat production and glucocorticoid effects.
August 2018 in “Brock University Digital Repository (Brock University)” Adolescent male rats release more stress hormones than adults, and testosterone affects them differently.
December 2025 in “Therapeutic Drug Monitoring” Pulverization extracts more cortisol from hair, but any method works due to individual differences.
30 citations
,
November 2021 in “Obesity Reviews” Higher glucocorticoids in hair are linked to increased obesity measures like waist size.
25 citations
,
September 2015 in “Clinical Endocrinology” Using 17-hydroxyprogesterone levels to diagnose nonclassic congenital adrenal hyperplasia can result in many incorrect diagnoses.
November 2025 in “Contraception” COC use doesn't increase hair stress hormone levels, but hair treatments may affect results.
1 citations
,
May 2016 in “The Veterinary Journal” Glucocorticoids affect dogs' skin reactions to histamine, which vary by time of day.
27 citations
,
December 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Dexamethasone may cause hair loss by stopping cell growth.
7 citations
,
April 2019 in “The Journal of Steroid Biochemistry and Molecular Biology” 11α-Hydroxyprogesterone is changed into different substances by certain enzymes and may play a role in prostate cancer.
August 2015 in “Psychoneuroendocrinology”
216 citations
,
November 1999 in “Fertility and Sterility” Testing basal 17-HP levels is a good way to screen for nonclassic adrenal hyperplasia in women with high androgen levels.
50 citations
,
July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
May 2022 in “Hormones and behavior” Prairie dogs with fewer neighbors are more stressed but their number of babies isn't affected.
57 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Androstanediol glucuronide is a reliable marker for hirsutism in women.
24 citations
,
January 2019 in “Hormone Research in Paediatrics” Hair cortisol levels in children are influenced by puberty, age, gender, and body mass index.
8 citations
,
June 2020 in “The Journal of Clinical Endocrinology and Metabolism” Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
3 citations
,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
February 2025 in “Iraqi Journal of Science” PCOS patients have higher LDH and lower cortisol, dopamine, zinc, and vitamin D3, which may contribute to their symptoms and obesity.
January 1981 in “The Journal of Toxicological Sciences” Hydrocortisone 17-butyrate 21-propionate ointment caused reversible side effects like skin issues, weight gain, and organ changes in dogs.
17 citations
,
August 1967 in “JAMA” The rapid corticotropin test is a quick and simple way to diagnose adrenal insufficiency.
November 2022 in “Journal of the Endocrine Society” A 21-year-old male with a rare genetic disorder experienced sudden hair loss and high DHEAS levels, likely due to a condition similar to PCOS, usually seen in women.
50 citations
,
November 2020 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
33 citations
,
January 2017 in “Psychoneuroendocrinology” Hair dyeing and washing frequency do not affect hair cortisol levels.