44 citations
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February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
196 citations
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March 2016 in “Nature Communications” Genetic factors influence hair traits like shape, color, and greying in Latin Americans.
1 citations
,
January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
November 2025 in “Wiley Interdisciplinary Reviews Forensic Science” Hair testing is a useful method for detecting past substance use and recent advancements improve its accuracy and reliability.
October 2012 in “Zhongguo shengwu gongcheng zazhi” Effective DNA extraction from hair shafts is crucial for genetic studies.
1 citations
,
October 2013 in “MacSphere (McMaster University)” Changes in δ¹⁵N values in hair can indicate stress or health issues.
50 citations
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March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
24 citations
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March 2011 in “British Journal of Dermatology” Men with hair loss have more DNA changes in back-of-head hair follicles, possibly protecting them from thinning.
99 citations
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July 2005 in “Ultramicroscopy” The research improved understanding of hair and skin properties across different ethnicities and conditions.
January 2025 in “British Journal of Dermatology” Long scalp hair evolved for cooling and social signaling.
January 1961 in “The Journal of Anthropological Society of Nippon” Hair form in mixed-blood families varies due to hereditary twist-knots and pigment formation.
2 citations
,
July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
14 citations
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August 2012 in “Clinics in Dermatology” In the Middle Ages, European noblewomen intentionally removed forehead hair to be fashionable, showing how beauty standards can affect the perception of hair loss.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
2 citations
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December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
4 citations
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July 2024 in “BMC Zoology” Dromedary camel hair structure and mineral content change with age.
21 citations
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June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
1 citations
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August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
3 citations
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September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
2 citations
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January 2017 in “Journal of Biotechnology Research Center” Hair dyes affect DNA analysis results, with the prepFiler kit working best for hair with follicles.
15 citations
,
January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
18 citations
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August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
22 citations
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January 2020 in “PeerJ” Keratin peptides in hair might help identify gender and ethnicity.
6 citations
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August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
65 citations
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May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
11 citations
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January 1987 in “Electrophoresis” Keratin proteins are consistent across different hair types from the same person.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair reflects identity and history, while modifications signal social pressures.
45 citations
,
December 2004 in “Forensic Science International” Laser microdissection helps get DNA from single hair follicles for better forensic analysis.
September 2025 in “International Journal of Molecular Sciences” Hair analysis could help diagnose and treat schizophrenia more effectively.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.