November 2011 in “Journal of Investigative Dermatology” TRH in hair follicles can influence hair color by increasing melanin.
19 citations
,
October 2009 in “Bioorganic & Medicinal Chemistry Letters” Thyroid receptor agonists may treat male pattern baldness without harmful side effects.
April 2018 in “Blackwell's Five‐Minute Veterinary Consult Clinical Companion” The document concludes that skin and hair changes in small animals are often due to hormonal imbalances and recommends regular baths and antibiotics for associated infections.
October 2009 in “The American Journal of Gastroenterology” Excessive selenium intake can cause liver damage.
November 2023 in “International Journal of Trichology” No significant link between hair loss and iron or thyroid levels was found, but checking for deficiencies might still be useful.
144 citations
,
May 1990 in “Journal of the American Academy of Dermatology”
April 2020 in “Journal of the Endocrine Society” A woman's high testosterone and related symptoms were caused by overactive cells in her ovaries.
2 citations
,
January 2012 in “Hair therapy & transplantation” Low serum ferritin levels are not closely linked to telogen effluvium in women.
January 2005 in “Veterinarski glasnik” The dog's hair discoloration was due to low zinc and hypothyroidism, not the medication.
3 citations
,
January 2011 in “International journal of trichology” Low DHEA-S levels might be linked to alopecia areata and could be a potential treatment target.
26 citations
,
January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
7 citations
,
March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
19 citations
,
June 2001 in “Annals of Internal Medicine” Tamoxifen can cause total hair loss but its benefits outweigh this side effect.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” Low zinc and folate levels are linked to hair loss in children.
21 citations
,
November 1981 in “Archives of Dermatology” Ashy dermatosis may be linked to atopy and thyroid disease and can be treated with topical steroids.
March 2023 in “Clinical Toxicology” 111 citations
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April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
June 2023 in “Benha Journal of Applied Sciences” People with chronic hair shedding have lower antioxidant levels in their blood compared to healthy individuals.
April 2011 in “Medical Journal of Tabriz University of Medical Sciences and Health Services” Many patients with Alopecia Areata have underlying autoimmune disorders, especially thyroid issues.
January 2023 in “European endocrinology” People with alopecia have a higher risk of thyroid cancer.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” Postmenopausal women with unusual hair growth should be checked for ovarian tumors.
June 2022 in “Rheumatology research” Lupus can be a rare cause of high calcium levels in the blood.
Raising serum ferritin levels can improve symptoms like fatigue and hair loss, even if hemoglobin levels are normal.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
Serum iron levels should be checked, not just hemoglobin, for chronic diffuse hair loss in women.
Low ferritin and vitamin D levels are linked to hair loss, suggesting the need for personalized nutrition and diagnostics.
January 2019 in “Indian Dermatology Online Journal” Stress, hypothyroidism, drug intake, and anemia are important factors in women's diffuse hair loss.
119 citations
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June 1993 in “BMJ” Alopecia is a key indicator of thallium poisoning.
53 citations
,
July 2014 in “American Journal of Physiology-Endocrinology and Metabolism” Testosterone boosts red blood cell production and changes iron metabolism without needing dihydrotestosterone.
34 citations
,
December 2009 in “The International Journal of Developmental Biology” Too much thymosin beta4 causes weird teeth and more hair growth in mice.