October 2020 in “Indian journal of forensic medicine and toxicology” Iron deficiency is a common nutritional cause of hair loss.
73 citations
,
January 2004 in “Journal of the American Academy of Dermatology” Immunocompromised patients can develop skin and hair issues due to a virus.
2 citations
,
October 1990 in “The Lancet” Some people have a genetic variation that makes them less effective at breaking down drugs.
2 citations
,
December 2022 in “Metabolites” Hair analysis shows low progesterone in anorexia patients, unchanged by short-term weight gain.
1 citations
,
January 2016 in “Journal of Nepal Paediatric Society” A child with rickets and hair loss might have a rare type of rickets that doesn't improve much with usual vitamin D and calcium treatment.
6 citations
,
February 1998 in “PubMed” MPA patients have lower zinc and manganese, higher copper, and similar iron levels in hair compared to healthy men.
6 citations
,
October 2006 in “International Journal of Dermatology” Hair splitting and nail detachment are linked conditions.
13 citations
,
June 2006 in “Fertility and Sterility” Nonclassic 21-hydroxylase deficiency is a common, treatable genetic disorder causing reversible symptoms like acne and hair loss.
16 citations
,
August 2000 in “British Journal of Dermatology” Removing the liver tumor improved the patient's skin condition and hair growth.
4 citations
,
April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
1 citations
,
April 2024 in “Anais Brasileiros de Dermatologia” 55 citations
,
December 1987 in “Archives of Dermatology” Two enzyme defects in biotin metabolism cause severe skin, hair, and metabolic issues.
3 citations
,
February 2012 in “The American Journal of Dermatopathology” A 3-year-old girl with skin mast cell buildup and congenital baldness improved with treatment, suggesting a rare link between these conditions.
33 citations
,
January 2007 in “Pediatric dermatology” Hair thinning and loss in a girl with a rare metabolic disorder was linked to her condition.
October 2020 in “Our Dermatology Online” Skin changes and high vitamin B12 levels can be early signs of cancer.
15 citations
,
May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
April 2023 in “Journal of Investigative Dermatology” Trichohyalin in hair can trigger immune attacks in alopecia areata.
July 2025 in “International Journal of Homoeopathic Sciences” Homeopathy improved hypothyroidism symptoms in a 27-year-old woman.
The AMHR2-482A>G gene change is linked to higher PCOS risk.
January 2011 in “Journal of Diagnosis and Therapy on Dermato-venereology” Genetics, low estrogen, and low iron levels contribute to female hair loss, with specific scalp signs indicating severity.
1 citations
,
July 2007 in “Journal of Investigative Dermatology” The mutation causes hairless mice due to mislocalized and dysfunctional HR protein.
March 2024 in “Romanian Medical Journal” Early diagnosis and treatment of achalasia and hyperthyroidism improve patient outcomes.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
December 2025 in “American Journal of Case Reports” Borderline newborn screening results should be carefully evaluated to prevent delayed diagnosis of thyroid issues.
May 2024 in “British journal of dermatology/British journal of dermatology, Supplement” CYLD deficiency in skin tumors disrupts hair follicle cell processes and protein secretion.
November 2025 in “Journal of Investigative Dermatology” Alopecia Areata may involve reduced antioxidant defenses in hair follicles, affecting stem cell function.
April 2019 in “Journal of Investigative Dermatology” Alopecia Areata patients have too many Firmicutes and too few Bacteroides in their gut.
28 citations
,
March 1986 in “The American journal of medicine” Too much vitamin A can cause liver damage and skin issues.
September 2025 in “International Journal of Molecular Sciences” Bacteroides fragilis and Microbacterium sp. T32 may be linked to autoimmune activity in Hashimoto's thyroiditis and alopecia areata.
October 1940 in “Clinical and Experimental Optometry” Vitamin A deficiency can cause eye problems and other health issues.