The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
A machine-learning test using hair can help detect autism early in infants.
January 2019 in “Trace Elements in Medicine (Moscow)” Hair analysis may help monitor health in children with Down syndrome and obesity.
September 2024 in “Journal of Medicine and Life” A specific gene mutation causes a severe skin disorder in a family.
18 citations
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January 1965 in “Stain Technology” 7 citations
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June 2015 in “EMBO Reports” Forensic DNA phenotyping can help generate new leads in cold cases but faces accuracy, legal, and acceptance challenges.
A 5 cm hair sample can reveal blood type and keratin type for forensic use.
June 2025 in “Skin Research and Technology” April 2024 in “American Journal of Biological Anthropology” Hair traits vary widely and are not reliable indicators of ancestry.
6 citations
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March 1991 in “Journal of Radioanalytical and Nuclear Chemistry” Manganese levels in hair may be linked to multiple sclerosis.
68 citations
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August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
44 citations
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June 2018 in “Journal of Visualized Experiments” A culturally sensitive method was developed to collect hair samples from African Americans for stress analysis.
January 2018 in “Figshare” Horizontal sections of scalp biopsies are useful for telling the difference between Androgenetic Alopecia and Alopecia Areata.
1 citations
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July 2024 in “International Journal of Biological Research” Parental socioeconomic status doesn't improve dietary habits or reduce disease severity in children with sickle cell disease.
January 2019 in “International journal of medical biochemistry/International journal of medical biochemistry :” September 2024 in “Journal of the American Academy of Dermatology” 
March 2015 in “Journal of Visualized Experiments” A new method measures mouse hair loss using shades of gray.
95 citations
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October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
Polarized microscopy helps identify hair irregularities in genetic disorders.
48 citations
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December 2019 in “Reproductive Biology and Endocrinology” More research is needed to confirm sperm DNA fragmentation as a reliable tool for diagnosing male infertility.
6 citations
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November 2022 in “Forensic Science Medicine and Pathology” Genetic markers can help predict ear shapes for forensic use.
Keratin peptide signatures in hair may help identify gender and ethnicity.
3 citations
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January 2018 in “Dermatology” Scalp biopsies help tell apart androgenetic alopecia and alopecia areata.
38 citations
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October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
5 citations
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October 2023 in “Forests” Ginkgo biloba has high genetic diversity, useful for future breeding.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
5 citations
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January 2015 in “Genetics and Molecular Research” Maize hybrids show better early growth due to complex gene interactions from their parent strains.
December 2023 in “Modern engineering and innovative technologies” 14 citations
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September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.