April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
10 citations
,
January 1997 in “Dermatology” Two siblings were diagnosed with Trichothiodystrophy, identified by brittle hair and low sulfur content.
5 citations
,
August 2015 in “Sultan Qaboos University medical journal” Vitamin B12 deficiency can cause skin darkening and other symptoms, which improve with B12 supplements.
April 2015 in “Journal of Nutritional Therapeutics” Looser dietary restrictions can improve growth and reduce illness in methylmalonic acidemia patients.
50 citations
,
September 2009 in “Molecular Genetics and Metabolism” A new gene mutation causes vitamin D resistance and rickets, treatable with calcium therapy.
1 citations
,
July 2022 in “Dermatologic Therapy” Both brands of biotin and dexpanthenol injections improved hair loss, with Bayer also increasing the ratio of thick to thin hairs.
110 citations
,
November 1984 in “The American Journal of Medicine” A genetic defect in vitamin D receptors causes severe rickets and hair loss in children, but some heal as they age.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
13 citations
,
April 1994 in “Baillière's clinical endocrinology and metabolism” Some people have genetic mutations that make them resistant to vitamin D, leading to rickets even with enough vitamin D intake.
30 citations
,
July 1984 in “Journal of Animal Science” Adding biotin to sows' diets increased the number of pigs weaned per litter.
73 citations
,
June 2010 in “PLoS Genetics” A gene mutation in mice causes hair loss, weak bones, and protein buildup, showing how protein processing issues can lead to diseases.
18 citations
,
January 2018 in “BMC dermatology” A new mutation in the PLEC gene causes a rare condition with skin blistering, muscle weakness, and hair loss.
81 citations
,
March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
April 2017 in “IOSR journal of dental and medical sciences” Netherton Syndrome is a non-treatable genetic disorder in children causing skin, hair, and allergy issues.
58 citations
,
November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
4 citations
,
January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
10 citations
,
November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
March 2023 in “JIIS (Jurnal Ilmiah Ibnu Sina): ilmu farmasi dan kesehatan” The best biotin hair tonic formula has 20% span 80, 9.47% tween 80, and 5% PEG 400.
2 citations
,
July 2013 in “Journal of Life Sciences” A 2-year-old girl with a rare vitamin D disorder had rickets and hair loss, but treatment was ineffective due to poor compliance.
1 citations
,
January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
January 2023 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Vitamin D Dependent Rickets Type-2A can cause complete hair loss and bone growth issues in infants.
7 citations
,
June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.
September 2020 in “Benha Journal of Applied Sciences” Patients with Alopecia Areata have lower levels of zinc and biotin than healthy individuals.
34 citations
,
November 1998 in “Journal of Investigative Dermatology” A common mutation in the hHb6 gene is linked to monilethrix, but other factors may also play a role.
10 citations
,
November 1946 in “Journal of the American Medical Association” Severe vitamin deficiencies in children can cause significant hair problems.
60 citations
,
March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
170 citations
,
May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
49 citations
,
July 1994 in “British journal of dermatology/British journal of dermatology, Supplement” Some children with methylmalonic and propionic acidaemias have skin problems related to their condition and diet.
31 citations
,
September 2003 in “International Journal of Dermatology” Vitamin D-dependent rickets Type II causes bone problems and hair loss, and doesn't improve with Vitamin D treatment.
47 citations
,
September 2002 in “Journal of Bone and Mineral Research” A mutation in the vitamin D receptor causes severe resistance to vitamin D, affecting bone health but not hair growth.