65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
Hair microscopy is a useful and affordable way to diagnose hair disorders.
6 citations
,
January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
3 citations
,
January 2020 in “JAAD Case Reports” A girl had two rare hair conditions that helped understand their overlap.
4 citations
,
July 2018 in “International Journal of Research -GRANTHAALAYAH” Human hair has a natural biomagnetic field.
1 citations
,
March 2010 in “Internal medicine journal” A 72-year-old man with sudden taste issues and hair growth was diagnosed with a severe stomach cancer and died within 5 months.
February 2023 in “Cosmoderma” Loose anagen hair syndrome causes easily shed hair but usually improves with time.
23 citations
,
August 1987 in “PubMed” The ferret had hyperadrenocorticism and other health issues like heart, liver, and kidney problems.
6 citations
,
January 2020 in “Postepy Dermatologii I Alergologii” Trichoscopy is useful for diagnosing hair-pulling disorder.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
1 citations
,
August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
22 citations
,
October 1996 in “Dermatologic clinics” Understanding intermediate filaments helps explain hair health and related diseases.
34 citations
,
June 1992 in “Journal of Cutaneous Pathology” Harlequin ichthyosis involves abnormal skin cell structures and giant mitochondria, affecting skin and hair.
2 citations
,
January 1990 7 citations
,
March 2004 in “Journal of the American Academy of Dermatology” Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
February 2026 in “International Journal of Homoeopathic Sciences” Plica Polonica is a rare hair disorder causing severe matting, managed by detangling or cutting, and prevented with regular hair care.
15 citations
,
October 1976 in “Biochemical Journal” Naked-mouse hair lacks certain proteins and has less soluble fibril.
49 citations
,
April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
6 citations
,
January 2014 in “Clinical hemorheology and microcirculation” Hereditary elliptocytosis causes elongated red blood cells and can lead to mild or no symptoms.
9 citations
,
August 2021 in “Journal of clinical medicine” Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
10 citations
,
November 1997 in “British Journal of Dermatology” A 10-year-old boy had the earliest reported case of hair that became progressively kinkier but eventually returned to normal on its own.
April 2025 in “Dermatology Practical & Conceptual” UV-enhanced trichoscopy helps diagnose hair shaft disorders like pili annulati.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
1 citations
,
March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
January 2021 in “Indian journal of veterinary pathology” A 15-year-old female labrador had a large ovarian tumor removed.
10 citations
,
March 1997 in “Pediatric Dermatology” A rare case of trichothiodystrophy was found with autism, seizures, and mental retardation.
13 citations
,
September 1997 in “Archives of Dermatology” The boy likely has a fungal infection causing hair loss.
February 2008 in “Vlaams dierengeneeskundig tijdschrift” A cat's hair loss was linked to a severe pancreatic cancer.