1 citations
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July 2023 in “Psychoneuroendocrinology” Hair cortisol is a reliable marker of long-term cortisol levels and is linked to daytime saliva cortisol but not morning levels.
1 citations
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December 2021 in “American Journal of Obstetrics and Gynecology” Hair cortisol levels peak in the third trimester and decline postpartum.
September 2025 in “Frontiers in Genetics” The method effectively extracts high-quality DNA from marmoset hair, avoiding blood chimerism.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
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.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
567 citations
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October 2007 in “Clinical and investigative medicine” Hair cortisol can be used to measure long-term stress exposure.
47 citations
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January 2016 in “MethodsX” Hair cortisol analysis is a reliable tool for monitoring long-term stress in captive chimpanzees if certain variables are controlled.
29 citations
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March 2008 in “Dermatologic Surgery” The Cross-section Trichometer is a new tool that can measure hair quantity and detect hair loss and growth.
26 citations
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October 1996 in “Journal of Endocrinology/Journal of endocrinology” Goat hair follicles have insulin-like growth factor-I receptors that might affect hair growth, but no melatonin receptors were found.
11 citations
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March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.
11 citations
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November 1966 in “Experimental Biology and Medicine” Hair diameter can indicate protein status in malnourished children if sample location is controlled.
7 citations
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September 2025 in “Psychoneuroendocrinology” Hair analytes decrease with storage, so analyze within six months.
5 citations
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October 1988 in “Diabetes Research and Clinical Practice” Hair glycation can indicate long-term blood sugar trends in diabetics.
2 citations
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March 2011 in “Veterinary Dermatology” FGF18 is present in beagle dog hair follicles, mainly in the inner root sheath.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
November 2023 in “Cureus” Magnetized saline water lotion increased hair growth in men with hair loss.
April 2023 in “Cancer Research” Plucked hair can effectively monitor drug effects in cancer treatment.
May 2022 in “Counseling And Psychological Services Dissertations (Georgia State University)” Chronic hair pulling in African American women may be linked to coping and self-satisfaction.
FUE hair transplantation is a minimally invasive method for treating hair loss.
April 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair cortisol is a reliable long-term stress marker during pregnancy.
7 citations
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June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
6 citations
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January 2021 in “Journal of The American Academy of Dermatology” Scalp photography helps patients feel less anxious about hair loss, agree more with doctors on severity, and stay motivated for treatment.
2 citations
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April 2021 in “Journal of The American Academy of Dermatology” Female pattern hair loss affects 32.3% of women, increasing with age and showing no racial differences.
November 2022 in “Skin appendage disorders” The Spanish version of the WAA-QoL questionnaire is reliable and valid for assessing quality of life in women with hair loss.
May 2021 in “British Journal of Dermatology” Different tiny organisms live in human hair follicles and can affect both health and skin conditions, including acne and hair loss.
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.
44 citations
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August 2008 in “Archives of Dermatology” Trichoscopy is a non-invasive way to diagnose hair and scalp problems without needing hair samples.
March 2005 in “Journal of The American Academy of Dermatology” Two lotions used day and night may be a good alternative to minoxidil for hair loss, with better cosmetic effects and tolerance.
March 2005 in “Journal of The American Academy of Dermatology” The two lotions used day and night may be a good alternative to minoxidil for hair loss treatment with better cosmetic effects and tolerance.