January 2018 in “Elsevier eBooks” 5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.
Fair skin, not red hair, affects health due to possible vitamin D deficiency.
April 2017 in “Journal of nutritional health & food engineering” Over 65% of people in the United Arab Emirates have undetected vitamin D deficiency, causing symptoms often mistaken for stress or migraines.
Raising serum ferritin levels can improve symptoms like fatigue and hair loss, even if hemoglobin levels are normal.
Nutritional deficiencies can cause hair loss, but it can be reversed with a normal diet and less stress.
January 1983 in “Elsevier eBooks” Masculinization in affected individuals occurs gradually after puberty due to hormone changes.
July 2021 in “Journal of pharmaceutical research international” Most women with female pattern hair loss have low vitamin D levels.
January 2013 in “Acta Universitatis Traditionis Medicalis Sinensis Pharmacologiaeque Shanghai” Huoxue Bushen Mixture effectively treats female pattern hair loss by balancing hormones.
144 citations
,
May 1990 in “Journal of the American Academy of Dermatology” 14 citations
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August 2015 in “Endocrinology” The antibody 005-C04 blocks prolactin receptors, causing reversible infertility, impaired lactation, and hair regrowth in female mice.
January 2005 in “Zhonghua xingwei yixue yu naokexue zazhi” Selenium and iodine deficiencies cause delayed growth and abnormal neural behavior in rats.
87 citations
,
March 2007 in “Biological Chemistry” Deleting the scd1 gene in mice prevents obesity by disrupting skin lipids and improving heat regulation.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
47 citations
,
March 2017 in “Materials Science and Engineering: C” Human amniotic membrane helps heal skin wounds faster and with less scarring.
46 citations
,
January 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.
40 citations
,
July 2019 in “Journal of Investigative Dermatology” Lack of a key enzyme causes severe skin issues and death in mice.
39 citations
,
April 2018 in “Hormones” No consistent link between genotype and phenotype in 5-α-Reductase type 2 deficiency.
27 citations
,
March 2012 in “Dermatologic Therapy” Taking zinc supplements can help improve or cure hair loss caused by zinc deficiency.
21 citations
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January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
21 citations
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March 2018 in “American Journal Of Pathology” Mutations in NIPAL4 cause skin issues by disrupting lipid layers, but some improvement is seen with topical treatment.
14 citations
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September 2018 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” A boy's growth and immune problems were caused by a new mutation in the STAT5B gene.
14 citations
,
February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
14 citations
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February 1991 in “FEBS Letters” Introducing the rat OTC gene partially corrected OTC deficiency in mice.
10 citations
,
January 2013 in “TURKISH JOURNAL OF MEDICAL SCIENCES” Low vitamin D levels can lead to increased parathyroid hormone levels.
7 citations
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December 2014 in “Gynecological Endocrinology” LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.
4 citations
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June 2024 in “The Kaohsiung Journal of Medical Sciences” Atg5 can promote tumors when autophagy is deficient but suppresses them under normal conditions.
October 2025 in “International Journal For Multidisciplinary Research” Ayurvedic treatment improved Vitamin B12 levels and symptoms.
January 2025 in “SKIN The Journal of Cutaneous Medicine” Calcipotriol's effectiveness for treating alopecia areata is unclear and needs more research.
November 2024 in “Journal of Medical and Life Science” Vitamin D and Zinc deficiencies can cause various symptoms, but supplements and lifestyle changes can improve them.