3 citations
,
July 1993 in “Contraception” Women with moderate body hair have higher levels of certain hormones and may benefit from treatment that increases sex hormone-binding protein.
January 2001 in “Nishi Nihon hifuka” The document concluded that there are differences in hair growth cycles and skin cell turnover rates, which can be measured with electronic equipment.
November 2014 in “British Journal of Dermatology” Hair loss is due to thinner hairs, not less hairs; hair diameter indicates balding progression and treatment effectiveness.
2 citations
,
January 2014 in “Turkish Journal of Medical Sciences” TrichoScan effectively diagnoses different types of hair loss and is linked to low iron stores in patients.
November 2022 in “Research Square (Research Square)” The research provides insights into hair follicle growth in forest musk deer by identifying key genes and pathways involved.
February 2024 in “Psychoneuroendocrinology” The COVID-19 pandemic did not significantly change stress levels in preschoolers, but higher-income families' children showed higher stress.
11 citations
,
September 1990 in “Clinical Endocrinology” Girls with prepubertal simple hypertrichosis have higher dihydrotestosterone (DHT) levels.
2 citations
,
May 2022 in “Clinical, Cosmetic and Investigational Dermatology” Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.
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.
86 citations
,
August 2014 in “Journal of The American Academy of Dermatology” To diagnose hair loss, use a systematic approach including history, exams, and tests.
18 citations
,
June 2008 in “Archives of Dermatology” Men typically shed about 10 hairs in 60 seconds, and this amount doesn't increase with age.
August 2019 in “Journal of archaeological science: Reports/Journal of archaeological science: reports” Ancient hair can preserve hormones, revealing health and fertility insights.
January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
5 citations
,
May 2001 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” The DWLSM provides detailed imaging of hair shafts and follicles with high accuracy.
January 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Hair loss from alopecia areata and androgenetic alopecia moderately affects the quality of life, especially in younger patients and those with long-term hair loss, impacting both their physical and emotional well-being.
12 citations
,
December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
1 citations
,
May 2023 in “Reports of Vinnytsia National Medical University” Anthropometric measurements like weight and BMI may help identify alopecia risk groups.
1 citations
,
November 2025 in “International Journal of Dermatology” The AAcQLI is a promising tool for assessing quality of life in children with alopecia areata.
1 citations
,
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.
2 citations
,
January 1972 Hair can measure exposure to radioisotopes.
Human hair affects millimeter radiowaves due to its keratin content.
10 citations
,
January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
May 2021 in “Journal of the Endocrine Society” A woman's hair loss and other symptoms were due to a rare hormone deficiency treatable with steroids.
26 citations
,
December 2015 in “Journal of The European Academy of Dermatology and Venereology” New method measures female hair loss: Female Pattern Hair Loss Severity Index (FPHL-SI).
January 2024 in “JEADV Clinical Practice” Patients with certain skin diseases are willing to spend significant time on treatment, indicating a high impact on their lives and a need for better treatments.
2 citations
,
May 2022 in “Diagnostics” Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
5 citations
,
April 2014 in “International Journal of Pediatric Endocrinology” Prepubertal girls with hypertrichosis have more sensitive androgen receptors, leading to increased body hair growth.
June 2023 in “Clinica Chimica Acta” Finasteride and dutasteride effectively reduce DHT in hair, which may help evaluate their treatment success for hair loss.
2 citations
,
January 2021 in “Journal of The American Academy of Dermatology” A simple scalp scraping can effectively distinguish fibrosing alopecia from androgenetic alopecia with seborrheic dermatitis.
July 2021 in “British Journal of Dermatology” Low testosterone levels may contribute to female pattern hair loss in men.