January 2022 in “IntechOpen eBooks” Some lesser-known causes of PCOS include autoimmune issues, genetic mutations, and changes in the body's microbiome.
January 2025 in “Applied Sciences” Sulforaphane from broccoli may help treat certain cancers, hormone issues, and hair loss.
89 citations
,
December 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” Human hair can be used to measure reproductive hormones.
55 citations
,
August 2009 in “Journal of Feline Medicine and Surgery” Cats with adrenal tumors may have both hyperaldosteronism and hyperprogesteronism.
9 citations
,
March 2018 in “International journal of molecular sciences” Allopregnanolone changes gene expression in glioblastoma cells.
1 citations
,
November 2021 in “Biomedicines” Understanding how acne develops in different diseases could lead to new treatments.
February 2026 in “Preprints.org” New therapies and personalized approaches improve wound healing and patient quality of life.
November 2025 in “Molecules” Microextraction techniques improve hormone testing while being environmentally friendly.
January 2024 in “Diagnostics” Long COVID causes a wide range of long-lasting symptoms that change over time and are hard to diagnose and treat.
567 citations
,
October 2007 in “Clinical and investigative medicine” Hair cortisol can be used to measure long-term stress exposure.
501 citations
,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
489 citations
,
June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.
237 citations
,
September 2018 in “Clinical Biochemistry” Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
217 citations
,
July 2009 in “Experimental and Clinical Endocrinology & Diabetes” Hair analysis can track past cortisol levels in Cushing's Syndrome patients.
199 citations
,
July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.
189 citations
,
January 2014 in “Journal of Visualized Experiments” Hair cortisol analysis effectively measures long-term stress.
122 citations
,
October 2013 in “PEDIATRICS” Maternal stress during pregnancy affects a child's stress levels.
122 citations
,
October 2010 in “Clinica Chimica Acta” Washing hair with water or shampoo lowers cortisol levels in hair.
101 citations
,
January 2014 in “Journal of Visualized Experiments” The method effectively measures long-term stress levels using hair samples.
95 citations
,
September 1979 in “Acta Paediatrica” Girls have higher DHEA levels earlier in puberty than boys, indicating earlier development.
90 citations
,
July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
80 citations
,
January 2011 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Hair cortisol levels can reflect salivary cortisol levels in humans.
76 citations
,
October 2011 in “Clinica Chimica Acta” Hot water and UV exposure reduce hair cortisol levels, with the back of the head showing the most consistent levels.
69 citations
,
August 2016 in “PubMed” High stress can disrupt hair growth, but certain supplements might help.
69 citations
,
May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
65 citations
,
December 1986 in “The Journal of Clinical Endocrinology & Metabolism” The woman had a genetic condition causing high cortisol and androgen levels, treatable with dexamethasone.
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.
50 citations
,
July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
50 citations
,
June 2014 in “Experimental and Clinical Endocrinology & Diabetes” Hair hormone levels can indicate obesity-related changes and are useful for research and clinical practice.
47 citations
,
January 2016 in “MethodsX” Hair cortisol analysis is a reliable tool for monitoring long-term stress in captive chimpanzees if certain variables are controlled.