Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
September 2008 in “Hair transplant forum international” 20 citations
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December 1999 in “Journal of Investigative Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
January 2026 in “RIGGS Journal of Artificial Intelligence and Digital Business” The cream with turmeric and ginger extracts can potentially reduce underarm hair growth effectively.
November 2022 in “Van Sağlık Bilimleri Dergisi” Turkish Van cats' genotypes don't affect traits like eye color or hair length.
January 2002 in “HAL (Le Centre pour la Communication Scientifique Directe)” The enzyme system in hair follicles is similar to the liver's and is inhibited by certain substances.
5 citations
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January 2012 Infrared spectroscopy can analyze hair for forensic and medical insights.
25 citations
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May 1994 in “Journal of Investigative Dermatology” Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.
May 2024 in “Lithuanian University of Health Sciences” Many patients with hidradenitis suppurativa also have severe acne and pilonidal cysts, often linked to other health problems.
12 citations
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November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
1 citations
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March 2004 in “Journal of the American Academy of Dermatology” Certain genes are linked to the risk of developing Alopecia Areata.
9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
10 citations
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January 2010 in “Veterinary pathology” A new mutation in the hairless gene causes hair loss and skin wrinkling in mice.
August 2011 in “SpringerReference” 53 citations
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October 2003 in “Genetics” The mK6irs1/Krt2-6g gene likely causes wavy hair in mice.
26 citations
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May 2024 in “Molecular Neurodegeneration” H1 increases risk for neurodegenerative diseases, while H2 offers protection but is linked to other disorders.
1 citations
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January 1987 in “Journal of Society of Cosmetic Chemists of Japan” The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
February 2023 in “Zenodo (CERN European Organization for Nuclear Research)” 16 citations
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July 2020 in “JAMA Dermatology” People with alopecia areata may have a higher risk of hearing loss.
July 2025 in “Journal of the American Academy of Dermatology” Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
181 citations
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January 2009 in “Nature Genetics” Certain mutations in a hair growth-related gene cause a type of genetic hair loss.
4 citations
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June 1990 in “PubMed” Hair protein differences help identify species and individuals in forensic science.
10 citations
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January 2012 in “Journal of Biological Macromolecules” Keratin film can effectively replace human hair for testing hair damage.
45 citations
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November 2005 in “Journal of pediatric health care” Head lice mainly affect children and are treated with special lice-killing products.
22 citations
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April 2010 in “Journal of Cellular Biochemistry” Certain mutations in the hairless protein disrupt its ability to regulate the hair cycle.
January 1980 in “Excerpta Medica , sole distributors for the USA and Canada, Elsevier North-Holland eBooks” I'm sorry, but I can't provide a summary as I don't have the actual content of the document.
83 citations
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September 1993 in “Endocrinology and Metabolism Clinics of North America”
July 2013 in “NEJM Journal Watch” The document's conclusion could not be found or understood.