86 citations
,
January 1990 in “The Journal of Pediatrics” Children with partial biotinidase deficiency are healthy at birth but may develop symptoms that improve with biotin therapy.
4 citations
,
December 2013 in “Acupuncture and related therapies” N-acetyl-cysteine shows promise in treating various diseases and may improve skin and hair conditions, but more research is needed on dosages and long-term effects.
Low Vitamin D, Vitamin B12, and iron levels, as well as thyroid issues, are strongly linked to premature greying of hair, which also negatively affects quality of life.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
32 citations
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April 2001 in “Experimental Eye Research” Zinc is essential for healthy optic nerves, and its deficiency can damage them.
June 2013 in “Vestnik dermatologii i venerologii” Women with hair thinning have disrupted steroid hormone levels, but this doesn't often show as other health issues. More research is needed on hormone balance in this condition.
January 2025 in “Medical Research Archives” Anorexia nervosa causes serious health issues, best treated with a team approach focusing on nutrition.
May 2024 in “Rossijskaâ oftalʹmologiâ onlajn” Early treatment with corticosteroids improved her eye condition significantly.
November 2022 in “Journal of the Endocrine Society” The patient likely has Chrousos syndrome, a rare condition causing insensitivity to glucocorticoids, requiring high-dose dexamethasone treatment.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
October 2025 in “Indian Journal of Physiology and Pharmacology” Early diagnosis and treatment of endocrine disorders like HAIR-AN syndrome can improve outcomes in adolescents.
30 citations
,
September 2013 in “PubMed” Chinese women with PCOS and a BMI of 24 or higher should be screened for fatty liver disease.
2 citations
,
July 2013 in “PubMed” The pubic hair loss was likely due to anorexia nervosa.
6 citations
,
November 2018 in “Case reports in nephrology and dialysis” Rituximab may be an effective treatment for Cronkhite-Canada syndrome with kidney disease.
63 citations
,
January 1971 in “Acta Medica Scandinavica” Replenishing iron after phlebotomy can cause relapse in porphyria cutanea tarda.
3 citations
,
November 2020 in “Cleveland Clinic Journal of Medicine” Eyelash loss can be a sign of thyroid problems.
26 citations
,
January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.
June 2014 in “The Journal of Dermatology” A patient with a rare chromosome condition also had a rare type of hair loss.
13 citations
,
June 2010 in “Journal of The American Academy of Dermatology” A man with Cronkhite-Canada syndrome had all 20 nails detach but improved with treatment.
71 citations
,
May 1996 in “Journal of Investigative Dermatology” Ornithine decarboxylase is crucial for hair growth regulation in mice.
5 citations
,
August 2012 in “Archives of Dermatology” The immune system can cause permanent skin and hair whitening by attacking pigment cells.
7 citations
,
April 1992 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Women with non-classical congenital adrenal hyperplasia have higher levels of certain steroids, which can be reduced by treatment.
83 citations
,
November 2002 in “British Journal of Dermatology” Low iron levels are not directly linked to chronic hair loss and iron supplements may not help.
January 2022 in “Journal of Morphological Sciences” A woman's rare ovarian tumor was treated with surgery, which stopped her symptoms and normalized her hormone levels.
1 citations
,
October 2014 in “Journal of the American Geriatrics Society” Elderly patients with frailty should be checked for hypopituitarism, as treatment can greatly improve their health and lifespan.
1 citations
,
November 2016 in “Frontiers in neurology” Steroid treatment improved both gut and nerve symptoms in a man with Cronkhite–Canada syndrome.
January 2024 in “JAAD case reports” Netherton syndrome can cause severe and chronic vulvovaginal symptoms that may improve with continuous oral contraceptives.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
16 citations
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May 2013 in “Australasian Journal of Dermatology” Hair loss in Cronkhite-Canada syndrome is reversible by treating the gut issues and doesn't need steroid treatment for the hair itself.
January 2022 in “Clinical Cases in Dermatology” Micronutrient deficiencies might contribute to alopecia areata.