13 citations
,
January 2019 in “Endocrine journal” Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
13 citations
,
September 2011 in “Archives of dermatology” A patient with steroid sulfatase deficiency had a unique hair pattern and a brain malformation not previously linked to the condition.
13 citations
,
June 2006 in “Fertility and Sterility” Nonclassic 21-hydroxylase deficiency is a common, treatable genetic disorder causing reversible symptoms like acne and hair loss.
13 citations
,
February 1951 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Young pigs need 10-20 mg of calcium pantothenate daily to fully recover from pantothenic acid deficiency.
13 citations
,
December 1940 in “The journal of nutrition/The Journal of nutrition” Lack of certain vitamins causes fur loss and greying in silver foxes.
12 citations
,
January 1987 in “Ophthalmic Paediatrics and Genetics” Early diagnosis and treatment of biotinidase deficiency are crucial to prevent vision problems.
11 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
10 citations
,
November 2019 in “Neuroendocrinology” Measuring 17-hydroxyprogesterone in hair can help monitor androgen levels in people with congenital adrenal hyperplasia.
9 citations
,
September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
8 citations
,
November 1997 in “Veterinary Research Communications”
8 citations
,
January 1991 in “European Urology” Finasteride lowers DHT levels and raises testosterone in a dose-dependent way.
7 citations
,
December 2015 in “Turkish Journal of Osteoporosis” Vitamin D deficiency is common in adults with muscle and bone pain, especially women.
7 citations
,
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.
5 citations
,
December 2021 in “Pediatric investigation” Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.
5 citations
,
January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
5 citations
,
May 2019 in “Hormone and Metabolic Research” Women with nonclassic 21-hydroxylase deficiency can have successful pregnancies through IVF, with certain factors affecting their chances.
5 citations
,
June 2017 in “in Vivo” Vitamin C deficiency changes gene expression, affecting skin and hair health.
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.
5 citations
,
March 2013 in “BMJ case reports” Gastric bypass surgery improved a woman's hormonal disorder without the need for medication.
4 citations
,
March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
4 citations
,
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
,
January 2010 in “Acta dermato-venereologica” Low androgen levels can still cause female pattern hair loss.
3 citations
,
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.
3 citations
,
May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
3 citations
,
March 1956 in “Journal of morphology” Vitamin A is essential for healthy skin and normal hair growth.
2 citations
,
November 2024 in “Journal of Clinical Medicine” Vitamin D3 deficiency can worsen psoriasis by promoting Candida overgrowth.
2 citations
,
November 2024 in “JCEM Case Reports” Inhaled substances in e-cigarettes can cause hormone imbalances similar to congenital adrenal hyperplasia.
2 citations
,
August 2024 in “Molecular Genetics & Genomic Medicine” Biotin mega-dose therapy led to dramatic improvement in a newborn with a rare metabolic disorder.
2 citations
,
January 2019 in “International journal of medicine in developing countries” Many people in Majmaah city, Saudi Arabia, don't know much about vitamin D deficiency and don't practice good vitamin D habits, with few linking it to hair loss.
2 citations
,
July 2018 in “PubMed” Low vitamin D levels might cause hair loss that can be treated with vitamin D supplements.