October 2024 in “Frontiers in Nutrition” Vitamin D deficiency is common in people with certain types of hair loss, like alopecia areata and female pattern hair loss.
89 citations
,
January 2020 in “PubMed” Early detection and biotin treatment improve outcomes for biotinidase deficiency.
6 citations
,
October 1980 in “Archives of Dermatology” Vitamin deficiencies, especially biotin and vitamin D, can cause hair loss.
166 citations
,
November 2008 in “Expert Review of Endocrinology & Metabolism” Biotin and biotinidase are essential to prevent health issues, and deficiencies require lifelong supplementation.
April 2026 in “Amino Acids” Polyamines are crucial for skin tumor development, and inhibiting them can prevent tumors.
January 2017 in “Indian Dermatology Online Journal” Levothyroxine overdose can cause hair loss, and zinc deficiency might worsen it.
7 citations
,
January 2022 in “Case Reports in Endocrinology” Ovarian hyperthecosis can cause symptoms even with normal testosterone levels, and surgery can improve these symptoms.
November 2025 in “BMC Endocrine Disorders” The TT/DHT ratio may help identify PCOS patients with severe metabolic issues.
July 2022 in “Dermatologica Sinica” Many women with hair loss also have zinc deficiency, iron depletion, or thyroid issues.
July 1980 in “Journal of The American Academy of Dermatology” The conference concluded that understanding hair and nail disorders is important, iron deficiency may be linked to hair loss, and while some treatments for skin conditions are effective, they may have risks and high costs.
20 citations
,
July 1990 in “Clinical and experimental dermatology” Taking cyproterone acetate and ethinyl oestradiol for hair loss can lower vitamin B12 levels in women.
2 citations
,
November 2022 in “Bioscience Reports” Polycystic ovary syndrome and iron overload share similar symptoms and can be potentially treated with blood removal, diet changes, and probiotics.
56 citations
,
January 2013 in “International journal of trichology” Zinc supplements may be needed to treat hair loss in hypothyroidism.
13 citations
,
May 2012 in “Cutaneous and ocular toxicology” Alopecia areata is not linked to vitamin B12 deficiency.
January 2020 in “Journal of quality in health care & economics” Most women with depression in the study had low vitamin D levels.
1 citations
,
November 2024 in “AME Medical Journal” Vitamin C deficiency can persist in high-risk patients despite supplementation.
March 2026 in “International Journal of Clinical Dermatology” Iron deficiency can cause certain skin issues like eczematous hand and perioral lesions.
82 citations
,
April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
October 1990 in “Pediatric Research” Nocturnal calcium infusions improved a boy's severe rickets without causing hair loss.
53 citations
,
October 1978 in “Archives of dermatology” Zinc supplements can resolve skin issues caused by zinc deficiency.
January 2021 in “Biomedical Research-tokyo” Reticulocyte hemoglobin content is the best indicator of iron deficiency causing hair loss in women.
5 citations
,
July 1996 in “Journal of Cutaneous Medicine and Surgery” TTD patients don't have a higher skin cancer risk because their main issue is with transcription, not DNA repair.
10 citations
,
July 2000 in “PubMed” High calcium in their diet caused zinc deficiency in the goats.
research Coda
November 2018 in “Princeton University Press eBooks” Vitamin C deficiency harms both the body and brain, affecting behavior.
1 citations
,
April 2016 in “British Journal of Dermatology” Buschke-Ollendorff syndrome is a rare genetic disorder causing skin and bone changes, with some cases also showing ADHD or developmental delays.
October 2025 in “Diseases” Women with hair loss often have deficiencies in iron, vitamins, minerals, and lower thyroid function, suggesting the need for nutritional and hormonal treatment.
170 citations
,
May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
June 2024 in “Indian Journal of Veterinary Medicine” The young goat had anaplasmosis and copper deficiency.
11 citations
,
November 2009 in “Sports Medicine” Irregular menstrual cycles in exercising women may be linked to energy deficiency or hormonal imbalances, requiring careful diagnosis for proper treatment.