11 citations
,
January 2020 in “World Journal of Traditional Chinese Medicine” Kidney-yang deficiency syndrome causes hormonal imbalances and various physical symptoms.
December 2011 in “Korean journal of veterinary research” A Miniature Pinscher dog with hair loss and scaling was diagnosed with pattern alopecia and improved with melatonin treatment.
23 citations
,
August 1987 in “PubMed” The ferret had hyperadrenocorticism and other health issues like heart, liver, and kidney problems.
March 2015 in “DergiPark (Istanbul University)” Basal serum cortisol levels don't help diagnose adrenal issues in vitiligo patients.
1 citations
,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
November 2024 in “Frontiers in Endocrinology” Hair analysis can help diagnose adrenal disorders non-invasively.
16 citations
,
September 2009 in “Schweizer Archiv für Tierheilkunde” Adrenal tumors can cause high progesterone levels, mimicking symptoms of high cortisol.
November 2025 in “Psychoneuroendocrinology” Hair proteomics could be a useful, non-invasive tool for identifying stress-related disorders.
August 2019 in “Journal of archaeological science: Reports/Journal of archaeological science: reports” Ancient hair can preserve hormones, revealing health and fertility insights.
Low-dose glucocorticoid treatment improves pregnancy and birth rates in women with nonclassical 21-hydroxylase deficiency.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
May 2016 in “Endocrine Abstracts” Proximal hair cortisol is a reliable tool for diagnosing Cushing's Syndrome.
501 citations
,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
April 2025 in “Journal of the Faculty of Medicine Baghdad” Alopecia areata patients may have higher T3 and cortisol levels, suggesting a hormonal link.
70 citations
,
March 2010 in “The Journal of Steroid Biochemistry and Molecular Biology” Blocking a specific enzyme might help treat obesity and diabetes, but more research is needed to ensure it's safe.
52 citations
,
December 2000 in “Archives of Dermatological Research” Scalp skin barrier affects hair loss; personalized treatments needed.
16 citations
,
August 2007 in “Histopathology” A woman's rare adrenal tumor caused high testosterone and cortisol levels, which normalized after the tumor was removed.
8 citations
,
January 2015 in “Genetics and molecular research” Researchers found four key proteins that affect the development of a specific hair type in Yangtze River Delta white goats.
7 citations
,
June 2024 in “Communications Medicine” Spaceflight can harm skin health by altering gene expression, affecting DNA, mitochondria, and skin barriers.
4 citations
,
July 2025 in “Frontiers in Immunology” Early intervention with JAK inhibitors may prevent alopecia areata progression.
1 citations
,
June 2021 in “Computer methods and programs in biomedicine” Children with cancer had slightly more unusual facial shapes than healthy kids, but not enough to easily tell them apart.
April 2026 in “Al-Kufa University Journal for Biology” Finasteride lowers cortisol and raises testosterone levels in rats.
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.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
January 2023 in “Research Square (Research Square)” Hair cortisol may be a good indicator of recent mood in people with bipolar disorder.
May 2021 in “Journal of the Endocrine Society” A patient produced cortisol after adrenalectomy, possibly due to residual tissue or other body parts making steroids.
7 citations
,
January 2014 in “Case reports in endocrinology” A woman's excessive hair growth was caused by a rare benign tumor in her adrenal gland, which was successfully removed.
2 citations
,
December 2021 in “Scientific reports” Scalp hair sweating is a significant predictor of hair cortisol levels.
44 citations
,
April 2015 in “PubMed” Finasteride for hair loss may cause long-lasting side effects like impotence and low libido, but trials lack proper safety reporting.