14 citations
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February 1991 in “FEBS Letters” Introducing the rat OTC gene partially corrected OTC deficiency in mice.
48 citations
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April 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” People with alopecia areata often have lower vitamin D levels and are more likely to be deficient in it.
research Coda
November 2018 in “Princeton University Press eBooks” Vitamin C deficiency harms both the body and brain, affecting behavior.
3 citations
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May 2017 in “BMJ Case Reports” A 15-year-old boy's skin and hair condition worsened due to improper treatment, leading to severe health issues.
October 2017 in “The Journal of Urology” 5α-Reductase inhibitors can negatively impact sexual function.
14 citations
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July 1977 in “Archives of Dermatology” Applying linoleic acid to the skin can reverse essential fatty acid deficiency symptoms.
2 citations
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March 2020 in “JAAD case reports” A leukemia patient showed skin peeling similar to kwashiorkor, a severe protein deficiency.
December 2019 in “The American Journal of Gastroenterology” Small bowel lesions in Cronkhite-Canada syndrome persist despite steroid treatment.
1 citations
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November 2003 in “Annals of saudi medicine/Annals of Saudi medicine” A 17-year-old in Saudi Arabia was diagnosed with a rare skin condition causing red-brown facial patches.
93 citations
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April 2003 in “Proceedings of the National Academy of Sciences of the United States of America” Fatty acid transport protein 4 is essential for skin and hair development.
15 citations
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April 2007 in “Journal of child neurology” An 11-month-old boy with Menkes disease had severe brain shrinkage and abnormal blood vessels, and didn't respond well to treatment.
June 2025 in “Molecular Genetics & Genomic Medicine” Severe genetic variants in children with a specific adrenal condition match predicted symptoms well, but milder variants do not.
January 2009 in “ScholarlyCommons (University of Pennsylvania)” The P133R mutation in AKR1D1 enzyme causes harmful bile acid buildup, explaining related health issues.
20 citations
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March 2017 in “Reproductive Biology and Endocrinology” Women with PCOS have higher 5α-reductase activity, which may be linked to insulin resistance.
October 2021 in “International Journal of Research in Dermatology” People with alopecia areata often have low vitamin D levels, which may worsen their hair loss.
5 citations
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September 2015 in “Nepalese journal of ophthalmology” An 11-year-old girl with a rare skin disorder also had cornea issues and dry eye, needing careful management.
4 citations
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April 2019 in “JAAD Case Reports” DPR can cause skin, hair, and nail issues, sometimes appearing later in life.
5 citations
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June 1993 in “Pediatric dermatology” Monilethrix Syndrome causes fragile, beaded hair that breaks easily and needs early diagnosis for better care.
May 2021 in “Journal of the Endocrine Society” A woman's hair loss and other symptoms were due to a rare hormone deficiency treatable with steroids.
13 citations
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May 2012 in “Cutaneous and ocular toxicology” Alopecia areata is not linked to vitamin B12 deficiency.
19 citations
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December 2015 in “European Journal of Human Genetics” A rare ITGB6 gene variant causes intellectual disability, hair loss, and dental issues.
October 2025 in “Journal of the Endocrine Society” Low estrogen due to poor nutrition can lead to non-alcoholic fatty liver disease.
7 citations
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January 2019 in “Australasian Journal of Dermatology” A genetic marker linked to a type of hair loss was found in most patients studied.
January 2023 in “World Journal of Clinical & Medical Images” Early diagnosis and prednisone treatment can improve outcomes in Cronkhite-Canada syndrome.
8 citations
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June 1981 in “Clinica Chimica Acta” 64 citations
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June 1995 in “Steroids” Inhibitors of the enzyme 5 alpha-reductase could potentially treat disorders like prostate cancer and baldness.
May 2017 in “Journal of the American Academy of Dermatology” Monilethrix is a rare, inherited condition causing fragile hair and hair loss, with no cure but some treatments may help.
August 2019 in “International journal of contemporary pediatrics” A child with a rare type of rickets showed some improvement with high doses of vitamin D, but such conditions often respond poorly to treatment.
1 citations
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May 2023 in “Journal of neuroendocrinology” DAVID syndrome is a condition with immune system and hormone deficiencies, needing early diagnosis to avoid serious complications.
January 2026 in “International Journal of Dermatology Venereology and Leprosy Sciences” Intradermal dutasteride effectively and safely improves hair growth in early-stage androgenetic alopecia.