September 2020 in “Osmangazi tıp dergisi” This study found that vitamin D, vitamin B12, and iron deficiencies, along with thyroid dysfunction, may be associated with telogen effluvium.
January 2018 in “International journal of medical biochemistry” This study found that female patients with telogen effluvium had significantly lower levels of serum ferritin, folate, and vitamin B12 compared to the control group.
10 citations
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August 2021 in “Journal of Cosmetic Dermatology” This study retrospectively analyzed 3028 patients with telogen effluvium, finding that 6.2% had iron deficiency anemia and vitamin D deficiency was common, especially in women who were more often prescribed vitamin D therapy.
8 citations
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January 2019 in “Chirurgia” In this study, adolescent patients undergoing laparoscopic bariatric surgery at a specialized center experienced significant reductions in BMI over 36 months, with no major perioperative complications, highlighting the procedure's safety and effectiveness for treating adolescent obesity in experienced settings.
1 citations
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October 2023 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This case report describes a patient developing hidradenitis suppurativa-like lesions after undergoing gamma secretase complex inhibitor therapy for desmoid tumours, illustrating potential skin toxicity linked to the treatment.
June 2024 in “Research Square (Research Square)” This study found that among young women in West Bengal, India, co-occurring PCOS and related conditions like estrogen resistance and leptin receptor insufficiency are common, with notable genetic variations identified, including impairments in leptin signaling and insulin resistance.
January 2024 in “The American journal of medicine” In this case report, the authors describe the first documented occurrence of new-onset hypocortisolism after laparoscopic sleeve gastrectomy in a patient, highlighting the need for awareness of this condition among clinicians when patients present with nonspecific symptoms post-bariatric surgery.
In this study, researchers found that biotin levels increase with age but not gender, and there is a notable negative relationship between biotin levels and triglyceride levels, suggesting biotin should be checked in patients with high triglyceride levels.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” In this report, a 46-year-old woman's sudden diffuse hair loss was diagnosed as granulomatous alopecia areata, with spontaneous hair regrowth observed after two months. This case highlights that granulomatous inflammation should not exclude the diagnosis of alopecia areata, emphasizing the importance of clinicopathological correlation.
63 citations
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May 2017 in “American Journal of Clinical Dermatology” This review found that patients with alopecia areata may have lower levels of vitamin D, zinc, and folate, but conflicting evidence precludes definitive clinical recommendations for micronutrient supplementation.
2 citations
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December 2015 in “Journal of dermatology research and therapy” This study compared serum zinc, vitamin B12, folic acid levels, iron metabolism, and thyroid function between chronic telogen effluvium patients and healthy controls, but it reports no specific clinical results.
July 2024 in “Brazilian Journal of Clinical Medicine and Review” This review found that hair loss is common in women after bariatric surgery, linked to nutritional deficiencies and rapid weight loss, highlighting the need for further research and nutrient monitoring.
July 2018 in “International journal of clinical & experimental dermatology” This narrative review describes the components of human hair and their nutritional importance but reports no clinical results; the authors suggest dietary sulfur amino acids are essential for hair health.
February 2024 in “Sučasna gastroenterologìâ” This clinical case highlights the importance of early diagnosis of celiac disease, illustrating how recognition of symptoms and risk factors can prevent delayed treatment.
2 citations
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September 2012 in “Turk Dermatoloji Dergisi” Low levels of ferritin and vitamin B12 are common in women with telogen effluvium, but the link between nutrient deficiencies and the condition is not clear.
December 2021 in “Vestnik Rossiĭskoĭ akademii meditsinskikh nauk / Rossiĭskaia akademiia meditsinskikh nauk” In this study, personalized treatment of folic acid and vitamin E deficiencies improved hair parameters in AGA patients, while Se supplementation might be unnecessary.
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.
21 citations
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January 2009 in “Indian journal of dermatology, venereology, and leprology” Vitamin B12, folate, ferritin, and iron levels are not linked to alopecia areata.
March 2021 in “Arrow - TU Dublin (Technological University Dublin)” This study tested a folate-conjugate drug delivery system and found its cytotoxicity depends on whether the treated cells overexpress folate receptors, suggesting potential for targeted chemotherapy.
October 2019 in “Turkderm” This study examined the demographics of patients diagnosed with pernio and compared their vitamin B12, folate, and ferritin levels with those of a control group.
June 2026 in “kerbala journal of pharmaceutical sciences” In this case-control study, individuals with alopecia areata showed significantly elevated levels of inflammatory markers IL-4, IFN-γ, and CRP, as well as reduced serum Folate and Ferritin, suggesting the condition's multifactorial pathophysiology involves immune activation, systemic inflammation, and micronutrient deficiencies.
July 2026 in “IntechOpen eBooks” This research highlights the crucial roles of B vitamins in metabolism, neurological processes, and DNA functions, and describes emerging therapies that enhance vitamin absorption and therapeutic potential.
March 2022 in “IP Indian journal of clinical and experimental dermatology” This study found that ferritin and cobalamin levels were better indicators than hemoglobin in assessing chronic nonscarring hair loss in females of reproductive age.
2 citations
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April 2019 in “Медицинский совет” This article reviews the problem of acne and hirsutism in women, highlighting the effectiveness of combined oral contraceptives containing drospirenone and levomefolate calcium in managing these conditions and polycystic ovary syndrome, but no new clinical results are reported.
14 citations
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April 2000 in “Animal Science/Animal science” This article explores how various nutrients and metabolic processes impact wool and hair follicle function in animals but reports no new experimental findings.
1 citations
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December 2020 in “Harran Üniversitesi týp fakültesi dergisi” This study suggests that low serum iron and ferritin levels may be associated with telogen effluvium in patients presenting with hair loss.
October 2025 in “Diseases” This study reports that women with hair loss had significantly lower levels of several biomarkers, including hemoglobin, iron, copper, selenium, vitamin D, vitamin B12, folate, and thyroid hormones, compared to healthy controls.
January 2011 in “Springer eBooks” Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.
3 citations
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January 2000 This chapter discusses various substances and therapies for dermatological applications, including heliotherapy, UVB, khellin, and others, but reports no new research findings.
October 2025 in “Turkish Journal of Biochemistry” This study found that patients with tropical chronic pancreatitis exhibited significantly reduced plasma amino acid levels and antioxidant capacity, with folate deficiency identified as a key factor in hyperhomocysteinemia.