November 2022 in “Journal of the Endocrine Society” Taking biotin can lead to incorrect low results in free testosterone tests.
October 2025 in “Journal of Investigative Dermatology” Iron balance is crucial for skin health, affecting conditions like psoriasis and hair loss.
126 citations
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November 1987 in “The Journal of Pediatrics” Selenium deficiency can cause skin and hair color loss, muscle weakness, and blood cell changes, but these improve with selenium supplements.
1 citations
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February 2023 in “Pediatrician (St Petersburg)” Early iron deficiency can lead to anemia during puberty, so it's important to address it early.
16 citations
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January 1996 Selenium levels in Enshi District need careful monitoring to prevent health issues.
7 citations
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December 2015 in “Turkish Journal of Osteoporosis” Vitamin D deficiency is common in adults with muscle and bone pain, especially women.
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.
46 citations
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July 1974 in “The Journal of Clinical Endocrinology & Metabolism” Low estrogen and high testosterone may cause excessive hair growth in women.
December 2021 in “Journal of Cosmetic Dermatology” Thiol/disulfide balance is normal in male AGA patients but shifts towards oxidative stress with emotional stress and low vitamin D.
7 citations
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January 2002 in “Biological Trace Element Research” Children with pituitary dwarfism have higher zinc and copper, lower manganese, and similar iron levels in hair compared to normal children.