3 citations
,
January 2018 in “Skin Appendage Disorders” Nail issues are common in alopecia areata patients.
31 citations
,
September 2003 in “International Journal of Dermatology” Vitamin D-dependent rickets Type II causes bone problems and hair loss, and doesn't improve with Vitamin D treatment.
44 citations
,
October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
29 citations
,
January 2003 in “KARGER eBooks” HVDRR is caused by VDR gene mutations, leading to vitamin D resistance, treatable with high calcium doses, but alopecia remains permanent.
1 citations
,
August 2021 in “Canadian journal of neurological sciences” Woodhouse-Sakati syndrome can cause writer's cramp and other varied symptoms, highlighting the importance of genetic testing for diagnosis.
21 citations
,
December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
Ayurvedic treatments improved alopecia areata symptoms.
2 citations
,
March 2014 in “Veterinary World” Indian bison, black buck, and nilgai have distinct hair follicle patterns useful for species identification.
December 2025 in “IP Indian Journal of Clinical and Experimental Dermatology” 1 citations
,
September 2002 in “European Journal of Endocrinology” Triple H syndrome exists and can vary in symptoms.
4 citations
,
October 1988 in “Clinics in Dermatology” Dihydrotestosterone (DHT) is crucial for conditions like male-pattern baldness and acne, and measuring a byproduct, androstanediol glucuronide, is a better way to assess DHT's effects than DHT blood levels.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
62 citations
,
July 2013 in “American Journal of Clinical Dermatology” Alopecia areata patients have higher oxidative stress and lower antioxidant levels.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
September 2020 in “International Journal of Research in Medical Sciences” People with alopecia areata had lower vitamin D levels, but these levels did not relate to how severe their condition was.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Ayurvedic treatment significantly reduced alopecia areata symptoms.
8 citations
,
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” A boy's skin fragility and sparse hair were caused by a genetic mutation affecting skin cell adhesion.
27 citations
,
October 2002 in “International Journal of Dermatology” Trichostasis spinulosa causes itchy bumps on young adults' skin.
July 2022 in “International Journal of Contemporary Pediatrics” Two siblings with a rare type of rickets and hair loss had low vitamin D levels, which is not typical for their condition.
January 2020 in “Lʹvìvsʹkij medičnij časopis” Analyzing hair for its elemental makeup can be useful for diagnosis, but there are still challenges and room for improvement.
20 citations
,
September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
December 2025 in “Molecules” DPP may help hair regrowth by improving blood vessel function under stress.
7 citations
,
April 1996 in “Archives of dermatological research” Topical tacalcitol can treat psoriasis by acting directly on skin cells.
21 citations
,
April 2011 in “Physiological Research” Normal levels of DHT can reduce belly fat and increase muscle, but too much can lead to hair loss, prostate issues, and possibly heart disease.
48 citations
,
April 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” People with alopecia areata often have lower vitamin D levels and are more likely to be deficient in it.
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.
70 citations
,
November 1984 in “Cell & tissue research/Cell and tissue research” Vitamin D3 affects cell differentiation in specific skin areas.
November 2023 in “Вопросы современной педиатрии” Genetic testing can diagnose hair loss linked to DSG4 gene variants.
April 2024 in “Indian dermatology online journal” A rare hair follicle disorder can cause itchy, bluish-black bumps on the body.