October 2025 in “Medicine” A potential link exists between unexplained hormone deficiency, hair loss, and testicular tumors, suggesting thorough screening is needed.
January 2020 in “Journal of Men s Health” The combination treatment reduced prostate size and improved testosterone deficiency symptoms but was less effective for sexual function.
184 citations
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August 1983 in “The journal of pediatrics/The Journal of pediatrics” Biotinidase deficiency has various symptoms and can be treated with biotin supplements.
180 citations
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October 2019 in “British journal of haematology” Early detection and treatment of iron deficiency in pregnancy are crucial for maternal and infant health.
55 citations
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July 1983 in “Journal of the American Academy of Dermatology” Biotin supplements can effectively treat hair loss and skin issues in certain enzyme deficiencies.
49 citations
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January 2010 in “International Journal of Pediatric Endocrinology” The document concludes that Nonclassic Congenital Adrenal Hyperplasia requires personalized treatment plans to manage symptoms and fertility, with glucocorticoids being a common therapy.
14 citations
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November 2015 in “Annals of the New York Academy of Sciences” Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
10 citations
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April 2020 in “Clinics in Dermatology” Biotin supplements improved skin and hair problems in a girl with biotinidase deficiency.
10 citations
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January 1992 in “Screening” Newborn screening for biotinidase deficiency is effective in preventing severe complications.
9 citations
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September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
8 citations
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March 2015 in “International Journal of Oncology” Tsc2-deficient stem cells can help understand and treat TSC-related tumors.
5 citations
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December 2021 in “Pediatric investigation” Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.
4 citations
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March 2024 in “Journal of Investigative Dermatology” SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.
3 citations
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January 2018 in “Frontiers in bioscience” Daily subcutaneous testosterone effectively restores testosterone levels in men.
2 citations
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October 1982 in “PubMed” Oral zinc supplements quickly resolved skin issues from zinc deficiency.
Iron deficiency worsens inflammatory skin diseases by disrupting iron balance and increasing inflammation.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” EGFR deficiency causes significant changes in skin cells and hair follicles.
49 citations
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September 2016 in “Genes Brain & Behavior” Zfp462 deficiency in mice causes anxiety-like behaviors and excessive self-grooming.
47 citations
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September 2012 in “Human molecular genetics online/Human molecular genetics” Folliculin deficiency causes problems with cell division and positioning due to disrupted RhoA signaling and interaction with p0071.
May 2026 in “BMC Medicine” ACOD1 deficiency worsens hair loss by causing cell aging and mitochondrial problems, but 4-OI may help.
Lack of Fgf21 slows hair growth by affecting gene interactions.
March 2024 in “Cell communication and signaling” Lack of sleep in mice leads to prostatitis by reducing certain hormones and activating an inflammatory pathway, which can be temporarily fixed with normal sleep.
March 2023 in “Mağallaẗ wāsit li-l-ʿulūm wa-al-ṭibb” A rare biotin deficiency in an Iraqi family caused severe symptoms but was successfully treated with lifelong biotin.
October 2022 in “Endocrine journal” Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
30 citations
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July 2019 in “PloS one” Patients with Alopecia areata have fewer specific immune cells that normally regulate the immune system, which may contribute to the condition.
13 citations
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February 2020 in “CHEST Journal” Vitamin C supplementation can resolve pulmonary arterial hypertension caused by vitamin C deficiency.
12 citations
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February 2025 in “Women s Health” Metformin helps manage PCOS by improving fertility and is safe for pregnancy, especially when combined with certain treatments.
10 citations
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August 2022 in “International Journal of Molecular Sciences” Leptin-deficient mice, used as a model for Type 2 Diabetes, have delayed wound healing due to impaired contraction and other dysfunctional cellular responses.
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.
3 citations
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October 1995 in “Southern Medical Journal” Finasteride may cause breast enlargement, low testosterone a risk factor.