Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
December 2019 in “The American Journal of Gastroenterology” Small bowel lesions in Cronkhite-Canada syndrome persist despite steroid treatment.
October 2017 in “The American Journal of Gastroenterology” Early diagnosis and nutritional support are crucial for managing Cronkhite-Canada Syndrome.
1 citations
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September 2024 in “Veterinary Dermatology” Trichography is important for diagnosing hair fragility in Pomeranian dogs with hair cycle issues.
3 citations
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November 2022 in “Frontiers in Medicine” Onychopapilloma likely originates from the nail bed, not the nail matrix.
8 citations
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August 2017 in “Skin appendage disorders” Red dots on the upper chest may be an early sign of certain types of hair loss.
November 2025 in “Turkish Journal of Dermatology” Non-informative YouTube videos on ingrown toenails get more views, but videos by podiatrists are the highest quality.
10 citations
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October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
106 citations
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February 2014 in “eLife” Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
May 2025 in “Skin Appendage Disorders” Frontal fibrosing alopecia can be diagnosed by examining facial areas and treated with specific medications to stop its progression.
September 2023 in “Journal of the American Academy of Dermatology” Sunscreen use is linked to frontal fibrosing alopecia, especially in males.
2 citations
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March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
1 citations
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September 2023 in “Portuguese Journal of Dermatology and Venereology” Trichoscopy can help diagnose and decide when to biopsy folliculotropic mycosis fungoides.
4 citations
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December 2017 in “American Journal of Dermatopathology” Naked hair shafts are significantly associated with scarring hair loss and may help diagnose it, especially when multiple are found.
December 2025 in “Clinical Case Reports” Netherton syndrome causes skin and hair issues, confirmed by "bamboo hair" under dermoscopy, with no cure but managed with topical treatments.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
Daily hair care may cause holes in hair fibers.
32 citations
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February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
1 citations
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January 2015 in “Bulletin of the Russian Academy of Sciences Physics” Hair tissue can help monitor environmental and public health risks.
A 5 cm hair sample can reveal blood type and keratin type for forensic use.
Keratin peptides in hair may help identify gender and ethnicity, but more research is needed.
92 citations
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April 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Nonpalmoplantar skin cells can be made to express keratin 9 by interacting with palmoplantar fibroblasts.
17 citations
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January 2012 in “European Journal of Pharmaceutics and Biopharmaceutics” Isoconazole nitrate stays effective in skin and hair follicles for up to two weeks after use.
October 2025 in “Indian Dermatology Online Journal” Trichoscopy helped correctly diagnose and treat a scalp and eyebrow fungal infection.
1 citations
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September 2017 in “Journal of Pathology of Nepal” Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.
2 citations
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June 2024 in “Skin Appendage Disorders” Trichoscopy helps diagnose frontal fibrosing alopecia in Caucasians, but more research is needed.