October 2025 in “Medical Journal of Babylon” In this study, researchers found that female COVID-19 patients experiencing hair loss had higher testosterone levels and lower Vitamin D levels than healthy controls, suggesting these hormonal factors may play a role in post-COVID-19 hair loss.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” This study observed that pediatric patients with diffuse, non-scarring alopecia had significantly lower levels of zinc and folate compared to matched healthy controls, suggesting a possible link between these deficiencies and hair loss in children.
September 2022 in “International Journal of Health Sciences (IJHS)” This study examined the relationship between zinc status and DNA oxidative damage in patients with hair loss in Duhok, Kurdistan Region-Iraq, highlighting the potential role of zinc deficiency in hair loss.
June 2022 in “International Journal of Health Sciences (IJHS) (En línea)” This study found that pregnant women in Al Muthanna Province, Iraq, frequently have low serum zinc and ferritin levels, especially those experiencing hair loss, posing a significant public health concern.
November 2011 in “Informa Healthcare eBooks” Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.
815 citations
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April 2010 in “The Journal of Clinical Endocrinology & Metabolism” This review examines the relationship between polycystic ovary syndrome and cardiovascular disease risk, but reports no new clinical findings; the panel calls for guidelines to prevent CVD in this population.
137 citations
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January 2000 in “Skin Pharmacology and Physiology” This review outlines the factors affecting skin greasiness and sebum production, highlighting measurement challenges but reports no new clinical findings; further research may guide sebosuppressive treatments for acne.
63 citations
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March 2016 in “International Journal of Molecular Sciences” This review discusses the pathophysiology of sleep disturbance in children with atopic dermatitis and highlights the need for further research on management strategies, but provides no new clinical results.
62 citations
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July 2017 in “Endocrine connections” This meta-analysis reported a significant association between polycystic ovary syndrome and an increased risk of obstructive sleep apnea in adult patients.
50 citations
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March 2011 in “European Journal of Endocrinology” This study found that spironolactone treatment can normalize endothelial function and improve cholesterol levels in non-obese patients with polycystic ovary syndrome.
44 citations
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May 2014 in “The American Surgeon” In this study, hair loss after laparoscopic sleeve gastrectomy was associated with zinc and iron levels, even within normal ranges, and a combined variable of zinc and iron predicted susceptibility to hair loss.
39 citations
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September 2017 in “The Open Rheumatology Journal” This review discusses the role of complement activation in SLE and suggests that while monitoring C3 and C4 remains important, increased levels of cell-bound complement activation products may better indicate disease activity.
25 citations
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July 2019 in “Experimental Dermatology” This review discusses the role of cholesterol homeostasis in hair follicle biology and its potential connections to various hair disorders, but it reports no new findings.
18 citations
,
January 2015 in “Journal of obesity and weight loss therapy” This study found that an 8-week low-starch/low-dairy diet led to weight loss, improved insulin sensitivity, and reduced testosterone levels in women with PCOS.
13 citations
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October 2017 in “Biomedicine & Pharmacotherapy” In this study, ethyl acetate fraction of Eclipta alba was found to inhibit adipogenesis and reduce dyslipidemia in hamsters, suggesting potential as an herbal treatment for obesity.
10 citations
,
December 2015 in “Clinics in Dermatology” This review highlights the eye and skin manifestations of endocrine-related metabolic diseases but provides no new clinical results.
5 citations
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June 2024 in “Free Radical Biology and Medicine” This review highlights that current in vitro models often fail to replicate the physiological oxygen levels experienced by different skin cell types, which could affect redox states and functions, potentially accelerating skin aging.
3 citations
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August 2024 In this study, researchers using single nuclei RNA-sequencing found that fibroblasts in deeper layers of mouse skin expressed higher levels of pro-inflammatory genes post-wounding compared to other cells, highlighting their significant role in early inflammation and tissue repair processes.
December 2023 in “Frontiers in endocrinology” This review explores the role of hyperandrogenism, including adrenal-derived 11-oxygenated androgen, in the development of polycystic ovarian syndrome and discusses potential therapeutic strategies targeting androgen excess, without reporting new clinical results.
15 citations
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January 2018 in “Indian Journal of Dermatology” This study reported that women with female androgenetic alopecia had significantly lower zinc levels in both serum and hair, and lower hair iron levels, compared to healthy controls.
3 citations
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April 2021 in “Cureus” In this study, 62.7% of patients with alopecia areata had deficient vitamin D levels, yet there was no significant link between these levels and specific alopecia areata patterns.
2 citations
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December 2021 in “Cureus” This review discusses the potential link between low serum vitamin D levels and androgenetic alopecia and reports that vitamin D might be useful for diagnosis and treatment, but no new clinical results are included.
January 2019 in “Türkiye klinikleri dermatoloji dergisi” This study investigated the role of serum iron, ferritin, zinc, and folic acid levels in women with diffuse hair loss but reports no findings.
January 2016 in “American Journal of Clinical and Experimental Medicine” This study found that men with androgenic alopecia had significantly lower hair zinc levels compared to controls, but no significant difference in blood zinc levels was observed.
118 citations
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May 2003 in “Toxicological Sciences” This study found that prenatal exposure to finasteride in rats led to permanent changes in developmental endpoints like anogenital distance and nipple retention, which were predictive of further reproductive tract malformations.
November 2025 in “BMC Endocrine Disorders” This study found that in PCOS patients, a lower TT/DHT ratio is associated with regular menstruation, while higher ratios are linked to insulin resistance, suggesting its potential as a biomarker for metabolic severity in these patients.
29 citations
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January 2002 in “Biological Trace Element Research”
7 citations
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August 2021 in “Heliyon” This study suggests that the herbal formulation Phyllotex™ may promote hair growth in androgenetic alopecia by enhancing cell proliferation and reducing oxidative stress and TGF-β1 expression in vitro.
This study developed a mathematical model using hair biomarkers (levels of Mg, K, Fe, Al, Cr) to noninvasively predict iron content in Hereford cattle muscle tissue, potentially improving livestock management and meat quality.
2 citations
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September 2021 In this study, serum 25-hydroxyvitamin D levels were similar between alopecia areata patients and healthy controls, though a non-significant trend toward higher vitamin D deficiency was observed among the patients.