90 citations
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July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
22 citations
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May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
21 citations
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January 2017 in “MethodsX” Methanol is better than isopropanol for washing grizzly bear hair to measure cortisol.
44 citations
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February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
11 citations
,
May 2020 in “Frontiers in psychiatry” Child abuse is linked to higher BMI, but not because of hair cortisol or cortisone levels.
2 citations
,
June 2021 in “Medicine” High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.
October 2025 in “Medicine” A potential link exists between unexplained hormone deficiency, hair loss, and testicular tumors, suggesting thorough screening is needed.
April 2019 in “Journal of the Endocrine Society” A woman's severe male-like symptoms were caused by a rare, benign tumor in her ovary that produced male hormones.
10 citations
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September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
50 citations
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July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
22 citations
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January 2010 in “Clinical Medicine Insights Endocrinology and Diabetes” Forearm hair has more cortisol than lower leg hair.
11 citations
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April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
June 2020 in “Authorea (Authorea)” First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.
5 citations
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January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.
186 citations
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February 2015 in “Frontiers in Neuroscience” Testosterone affects brain behavior in complex and varied ways.
16 citations
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January 2021 in “Frontiers in veterinary science” Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
January 2026 in “International Journal of Molecular Sciences” Lifestyle changes and environmental strategies can help address declining testosterone levels.
78 citations
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April 1984 in “Archives of Dermatology” Minoxidil can help regrow hair in alopecia areata patients.
November 2022 in “Journal of the Endocrine Society” Always consider xanthomatous hypophysitis before deciding on pituitary surgery.
January 2022 in “European Proceedings of Life Sciences” Understanding genetic traits can help doctors create personalized detox and nutrition plans to boost antioxidant protection.
146 citations
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July 2003 in “Journal of the American Academy of Dermatology” Clobetasol propionate ointment can help some people with total hair loss regrow hair.
41 citations
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November 2003 in “Annals of the New York Academy of Sciences” Male hormones, or androgens, affect women's health in areas like mood and bone density, and hormone replacement therapy using antiandrogenic progestogens can improve mood disorders and alertness in menopausal women.
68 citations
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September 2003 in “British Journal of Dermatology” Shrinking skin cancer increases the chance of cancer in nearby lymph nodes.
218 citations
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December 2011 in “Advances in Urology” The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
23 citations
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July 1993 in “Pharmacotherapy” Finasteride treats enlarged prostate and baldness, but may cause limited urinary improvement and sex-related side effects.
8 citations
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February 2005 in “Veterinary dermatology” Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.
PCOS is a common hormonal disorder with symptoms like irregular periods and excess hair growth, managed with lifestyle changes and medications.
9 citations
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January 2015 in “Springer eBooks” The document concludes that managing PCOS involves treating symptoms, regulating periods, and reducing health risks, with specific medications for fertility and metabolic issues.
59 citations
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November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
28 citations
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January 2003 in “Urologic oncology” Suppressing certain hormones might help prevent prostate cancer.