November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
October 2014 in “Transfusion Clinique et Biologique” Iron deficiency can cause fatigue, exercise intolerance, and cognitive issues, even without anemia.
24 citations
,
June 1999 in “Mechanisms of Development” Ornithine decarboxylase is crucial for hair growth and follicle development.
14 citations
,
January 2020 in “Women's health reports” Iron deficiency in menstruating women causes many health issues beyond anemia and needs early detection and treatment.
Early detection and treatment of iron deficiency anemia, especially in premenopausal women, is crucial for rapid symptom improvement.
2 citations
,
August 2002 in “PubMed” 32 citations
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April 2001 in “Experimental Eye Research” Zinc is essential for healthy optic nerves, and its deficiency can damage them.
Low vitamin C caused bleeding and corkscrew hair, resolved with vitamin C treatment.
January 2019 in “Egyptian Journal of Obesity, Diabetes and Endocrinology” People with polycystic ovary syndrome often have low levels of vitamin D.
26 citations
,
February 1978 in “Journal of Pediatric Surgery” Long-term TPN in children can cause zinc deficiency, leading to health issues.
1 citations
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May 2013 in “Hair transplant forum international” Non-classical 21 hydroxylase deficiency is an underdiagnosed cause of female hair loss and polycystic ovarian syndrome.
75 citations
,
May 2013 in “Journal of the American Academy of Dermatology” Zinc deficiency in children can cause skin issues and can be serious if not diagnosed and treated properly.
7 citations
,
December 2015 in “Turkish Journal of Osteoporosis” Vitamin D deficiency is common in adults with muscle and bone pain, especially women.
4 citations
,
January 2020 in “Obstetrics and Gynecology Reports” Obese women with PCOS have lower vitamin D levels.
1 citations
,
January 2020 in “Journal of Crohn's and colitis” Many people with inflammatory bowel disease have a vitamin C deficiency, which can lead to scurvy symptoms.
16 citations
,
January 2010 in “American Journal of Neuroradiology” Specific brain and bone imaging findings can help diagnose Trichothiodystrophy.
May 2026 in “BMC Medicine” ACOD1 deficiency worsens hair loss by causing cell aging and mitochondrial problems, but 4-OI may help.
January 2025 in “Open Veterinary Journal” Zinc, copper, and vitamin A deficiencies cause skin disorders in sheep.
5 citations
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January 1970 in “Journal of Nepal Paediatric Society” Hair loss can be a key sign of a rare type of rickets when vitamin D treatment doesn't work and advanced tests aren't available.
20 citations
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April 2000 in “Experimental dermatology” ODC transgenic mice can model human hair loss with skin lesions.
18 citations
,
January 1977 in “Annals of Nutrition and Metabolism” Genetic disorders can disrupt mineral and trace element metabolism, affecting health.
April 2026 in “International Journal of Engineering Research and Science & Technology” The system helps identify vitamin deficiencies early by analyzing symptoms.
10 citations
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July 2022 in “Journal of the Turkish-German Gynecological Association” Vitamins B3, B6, C, and iron intake affect hormone levels in women with certain types of PCOS.
Reducing iron levels didn't improve heart health or metabolism in women with certain ovarian issues.
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.
January 2013 in “International Journal of Trichology” Early diagnosis and a multidisciplinary approach are crucial for children with Trichothiodystrophy and hidden learning disorders.
10 citations
,
November 1946 in “Journal of the American Medical Association” Severe vitamin deficiencies in children can cause significant hair problems.
February 2025 in “Iraqi Journal of Science” PCOS patients have higher LDH and lower cortisol, dopamine, zinc, and vitamin D3, which may contribute to their symptoms and obesity.
February 2019 in “Americanae (AECID Library)” Selenium and zinc deficiency in sheep leads to thyroid and skin problems.
2 citations
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February 1945 in “Archives of Dermatology and Syphilology” Alopecia in the woman was likely caused by vitamin A deficiency, not a fungal infection.