January 2026 in “Psychoneuroendocrinology” Loneliness raises stress levels in older African American men but not women.
April 2025 in “Medical Journal of Babylon” Copeptin and cortisol levels are higher in alopecia areata patients, suggesting they could help diagnose and manage the condition.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
January 2012 in “CINECA IRIS Institutial Research Information System (University of Genoa)” Hair cortisol reliably indicates stress in rabbits.
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.
5 citations
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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.
November 2025 in “Contraception” COC use doesn't increase hair stress hormone levels, but hair treatments may affect results.
The trial aims to understand how obesity and lifestyle affect circadian rhythms in people with schizophrenia and bipolar disorder.
95 citations
,
September 1979 in “Acta Paediatrica” Girls have higher DHEA levels earlier in puberty than boys, indicating earlier development.
16 citations
,
May 1998 in “International Journal of Dermatology” Stress hormones like cortisol may trigger psoriasis flare-ups.
2 citations
,
June 2020 in “AIDS” Recreational drug use can cause misdiagnosed conditions and drug interactions in HIV patients.
February 2024 in “Psychoneuroendocrinology” The COVID-19 pandemic did not significantly change stress levels in preschoolers, but higher-income families' children showed higher stress.
July 2021 in “Advances in laboratory medicine” Diagnosing sex development disorders requires combining medical history, physical exams, imaging, lab tests, and genetic data.
September 2024 in “Toxicology Letters” Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.
374 citations
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May 2016 in “The Lancet. Diabetes & endocrinology” Cushing's syndrome can cause serious health problems, and early treatment is crucial, but some issues may remain after treatment.
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.
62 citations
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August 2014 in “BMC Endocrine Disorders” New findings explain how genetic changes, body clocks, and certain molecules affect tissue response to stress hormones.
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.
48 citations
,
January 2011 in “Hormone Research in Paediatrics” The conclusion is that genetic changes in the glucocorticoid receptor can lead to conditions affecting stress response, immunity, and metabolism, requiring personalized treatment.
38 citations
,
September 2013 in “Therapeutic Drug Monitoring” First Nation individuals had higher hair cortisol levels, indicating more chronic stress.
38 citations
,
August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
5 citations
,
January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.
5 citations
,
September 2016 in “Journal of Cosmetic Dermatology” Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.
1 citations
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January 2013 in “Journal of S C C J” Scalp massage reduces stress, increases relaxation, and improves blood circulation.
Higher cortisol levels might be linked to worsening keratoconus.
Hair and nails can show hormone changes during puberty in dogs.
July 2017 in “Contemporary Endocrinology” The document concludes that patient outcomes for Congenital Adrenal Hyperplasia are often not ideal because of poor management and a need for better diagnosis and treatment methods.
October 2012 in “Semina. Ciências Agrárias” A Shi Tzu dog with high cortisol levels improved after increasing the dose of trilostane.
69 citations
,
January 2020 in “Veterinary World” Ringworm in pets is influenced by fungi type, immune status, and stress hormones.
151 citations
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December 2004 in “Annals of the New York Academy of Sciences” Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.