11 citations
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September 1973 in “Canadian Journal of Botany” Calcium is essential for normal root and root hair growth in oats.
4 citations
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March 2019 in “IP Indian Journal of Clinical and Experimental Dermatology” Low iron levels may be linked to hair loss in non-menopausal women.
113 citations
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June 2010 in “Biological Chemistry” Cathepsin L deficiency causes large, abnormal cell structures and health issues in mice.
105 citations
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March 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata patients often have low vitamin D levels, suggesting they might benefit from vitamin D supplements.
69 citations
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February 2002 in “International Journal of Cosmetic Science” Some hair loss can be treated, especially in women due to nutrition, but some types remain untreatable.
66 citations
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January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
53 citations
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November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth 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.
41 citations
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January 2000 in “Hormone Research in Paediatrics” Cortisone reductase deficiency can cause high androgen and cortisol levels and may be missed in women with similar symptoms.
40 citations
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September 2019 in “World journal of clinical cases” An elderly man's hair grew back after a treatment that transferred healthy gut bacteria.
32 citations
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December 2017 in “Journal of the American Academy of Dermatology” Alopecia areata patients often have low vitamin D levels.
31 citations
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October 2002 in “Journal of Investigative Dermatology” IL-10 may worsen alopecia areata instead of helping it.
20 citations
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June 2010 in “Dermatology Online Journal” Zinc supplements and weaning cured a breast-fed baby's zinc deficiency caused by a gene mutation.
18 citations
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March 1972 in “Botanical Gazette” Minimal calcium is enough for root hair growth if roots avoid toxic ions.
17 citations
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December 1951 in “Experimental biology and medicine” Vitamin B12 and aureomycin can reverse or reduce cortisone's negative effects on body and hair growth in rats.
16 citations
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January 2010 in “Journal of Korean medical science/Journal of Korean Medical Science” A Korean boy's skin and digestive symptoms were caused by a rare genetic disorder that affects zinc absorption, and he got better with zinc supplements.
16 citations
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November 2003 in “Journal of the American Academy of Dermatology” Iron therapy cured the boy's hair color issue.
14 citations
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January 2016 in “Experimental and molecular pathology” Giving immune serum from vaccinated mice to mice without T cells prevents infection and tumor growth.
10 citations
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November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
7 citations
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December 2018 in “Journal of Cosmetic Dermatology” Eating vegetarian, having allergies, and family history might be linked to getting gray hair early.
7 citations
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January 2018 in “PubMed” Low levels of iron, copper, and calcium may cause early hair graying.
7 citations
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May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
6 citations
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January 2019 in “Indian Journal of Pharmacology” Melitane 5% and hair supplements improved hair color in a 14-year-old with early graying.
6 citations
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January 2011 in “PubMed” The document concludes that most patients with endocrine disorders experience diffuse, non-scarring hair loss, with scarring hair loss being rare.
5 citations
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January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
5 citations
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March 2013 in “BMJ case reports” Gastric bypass surgery improved a woman's hormonal disorder without the need for medication.
4 citations
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July 2022 in “The Journal of Clinical Endocrinology & Metabolism” A specific genetic mutation causes POMC deficiency, leading to symptoms like weight gain and red hair.
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.
4 citations
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May 1989 in “Journal of the Royal Society of Medicine” Crohn's disease can cause hair loss before other symptoms appear.
3 citations
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February 2022 in “Journal of the American Academy of Dermatology” Black patients with a specific type of hair loss have a much higher chance of lacking enough vitamin D.