13 citations
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July 2012 in “International Journal of Trichology” TTD symptoms vary widely, requiring thorough evaluations.
April 2016 in “Journal of The American Academy of Dermatology” Women with PCOS often have hirsutism and skin changes, which indicate a need for metabolic health checks.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
4 citations
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December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
March 2003 in “中華皮膚科醫學雜誌” Trichothiodystrophy causes unusual hair and developmental issues.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
November 2023 in “The Bovine practitioner” A bull got very sick and had to be put down after eating hairy vetch for months.
1 citations
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December 1997 in “Journal of The European Academy of Dermatology and Venereology” All women with significant unwanted hair growth have hormonal imbalances, often from polycystic ovary syndrome.
12 citations
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September 2011 in “BMJ Case Reports” Quick diagnosis and biotin treatment can dramatically improve biotinidase deficiency symptoms.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
July 2021 in “Scholars Journal of Medical Case Reports” Woodhouse-Sakati Syndrome can include unique symptoms like liver issues and low growth hormone.
59 citations
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November 2002 in “Pediatric Dermatology” A 19-month-old Saudi girl had a rare skin condition with no other defects, and her family was unaffected.
18 citations
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November 2009 in “Calcified tissue international” A genetic mutation caused severe rickets and alopecia in an Indian patient, but high-dose calcium and phosphate treatment improved their condition.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Low calcium and dietary issues may contribute to hair loss.
8 citations
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December 2015 in “JAMA ophthalmology” A young man had vision loss, hair loss, and other symptoms, but tests showed mostly normal results except for slightly high protein in spinal fluid.
11 citations
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
43 citations
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February 1999 in “Biochemical Journal” Overexpression of SSAT in mice causes hair loss, liver damage, and sensitivity to polyamine analogues.
April 2016 in “Journal of Investigative Dermatology” Iron deficiency causes hair loss by affecting hair differentiation and cycling.
50 citations
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February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
59 citations
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January 2010 in “International Journal of Pediatric Endocrinology” NonClassic Congenital Adrenal Hyperplasia is a less severe form of a genetic disorder affecting adrenal gland function.
8 citations
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January 1986 in “Journal of hepatology” Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.
May 2025 in “Dermatology Reports” A genetic mutation in the LIPH gene causes a rare hair disorder with sparse, curly hair.
December 2025 in “Meditsinskiy sovet = Medical Council” Early diagnosis and multidisciplinary care are crucial for managing CNOT3 syndrome.
23 citations
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August 1975 in “Experimental Biology and Medicine” Copper supplements during pregnancy improve survival and development in mutant mice.
4 citations
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December 2012 in “Arquivos Brasileiros De Endocrinologia E Metabologia” A postmenopausal woman's masculine symptoms improved after surgery for a hormone-producing ovarian tumor.
46 citations
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September 2007 in “Journal of Investigative Dermatology”
18 citations
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February 2015 in “Acta Crystallographica Section D: Structural Biology” The study concludes that certain domains in Clostridium histolyticum enzymes are structurally unique, bind calcium to become more stable, and play distinct roles in breaking down collagen, with potential applications in medicine and drug delivery.
20 citations
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July 1990 in “Clinical and experimental dermatology” Taking cyproterone acetate and ethinyl oestradiol for hair loss can lower vitamin B12 levels in women.
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.
52 citations
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May 1997 in “Journal of Biological Chemistry” High ornithine decarboxylase levels may lead to hair loss and cancer by increasing CK2 activity in the nucleus.