June 2026 in “CUNY Academic Works (City University of New York)” A new method can measure stress levels in pregnant women using hair samples.
May 2026 in “Indian Journal of Medical Biochemistry” Hair biomarkers can help assess chronic stress in women's reproductive health but need standardized methods and regional studies.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
November 2025 in “Psychoneuroendocrinology” Hair proteomics could be a useful, non-invasive tool for identifying stress-related disorders.
March 2025 in “medRxiv (Cold Spring Harbor Laboratory)” Hair proteomics could be a promising non-invasive way to identify stress-related disorders.
11 citations
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February 2005 in “Clinical pharmacology and therapeutics/Clinical pharmacology & therapeutics” Hair cortisol could be a marker for chronic stress in pregnancy, but depression affects cortisol levels differently.
38 citations
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September 2013 in “Therapeutic Drug Monitoring” First Nation individuals had higher hair cortisol levels, indicating more chronic stress.
January 2026 in “Western Journal of Nursing Research” Hair cortisol levels don't reliably indicate chronic stress in people with multiple sclerosis.
September 2025 in “Journal of Intellectual Disability Research” Measuring hair glucocorticoids for stress is moderately feasible, especially in females and those with moderate intellectual disabilities.
May 2021 in “Open Access Macedonian Journal of Medical Sciences” People with premature hair graying have an imbalance between harmful and protective molecules in their body, hinting that antioxidants might help.
March 2022 in “Hair transplant forum international” Nutritional correction can restore hair loss caused by stress.
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.
May 2012 in “Neurotoxicology and Teratology” Hair cortisol can be a reliable way to measure long-term stress.
9 citations
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February 2020 in “Stress” Children with lower inhibitory control experience more stress when starting third grade.
January 2026 in “Open Science Framework” July 2011 in “Neurotoxicology and Teratology”
February 2026 in “Molecules” A new method can quickly and accurately measure tobacco exposure and stress using a small hair sample.
5 citations
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September 2019 in “The Open biomarkers journal” Linoleic acid (Vitamin F) can help protect against the harmful effects of acrylamide.
December 2025 in “Asian Journal of Advanced Research and Reports” Hair growth pathways are a promising and simpler method for detecting chronic stress.
April 2026 in “Journal of Experimental Psychopathology” Hair cortisol levels may not reliably indicate psychological distress.
October 2022 in “European heart journal” Higher stress levels were found about two weeks before a heart attack.
5 citations
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January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.
23 citations
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March 2016 in “American Journal of Primatology” In female rhesus monkeys, hair gain is linked to reduced stress levels.
11 citations
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May 2020 in “Frontiers in psychiatry” Child abuse is linked to higher BMI, but not because of hair cortisol or cortisone levels.
May 2024 in “Psychoneuroendocrinology” Family dynamics affect preschoolers' stress levels, especially DHEA.
April 2025 in “Diagnostics” Managing inflammation and using vitamins can improve PRP therapy for better hair growth.
1 citations
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August 2021 in “International journal of cosmetic science (Print)” Using piroctone olamine on the scalp helps reduce hair loss and improves scalp health.
February 2024 in “Psychoneuroendocrinology” The COVID-19 pandemic did not significantly change stress levels in preschoolers, but higher-income families' children showed higher stress.
1 citations
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December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
February 2026 in “TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES” Hair cortisol is better than blood cortisol for measuring long-term stress in pregnant goats.