March 2018 in “Gazi medical journal” Adults with Beta Thalassemia Major are more likely to have skin, hair, and nail disorders.
3 citations
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October 2022 in “International Journal of Dermatology” COVID-19 can cause hair and nail disorders after infection.
1 citations
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July 2015 in “Microscopy Research and Technique” Friedreich's ataxia causes thin, weak hair with surface damage and cavities.
April 2023 in “Indian journal of paediatric dermatology” Early diagnosis and treatment of nail lichen planus in children can prevent permanent nail damage.
June 2012 in “Springer eBooks” Skin changes can indicate starvation and nutritional deficiencies in anorexia nervosa.
January 2026 in “Open Science Framework” 28 citations
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January 1985 in “Journal of the American Academy of Dermatology” A girl with citrullinemia developed pili torti, suggesting a link between the hair condition and the metabolic disorder.
25 citations
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January 2003 in “Plastic & Reconstructive Surgery” Nail-matrical fibroblasts can make non-nail cells produce hard keratin, useful for nail repair.
1 citations
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January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
January 2015 in “Dermatology online journal” A man with total hair loss also developed a rare nail condition, likely due to autoimmune issues.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
5 citations
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March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
27 citations
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August 2017 in “Anais Brasileiros de Dermatologia” N-acetylcysteine effectively treats trichotillomania.
April 2024 in “Journal of the American Academy of Dermatology” Taking biotin supplements for hair and nails may not be helpful and could cause harm.
4 citations
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October 2015 in “JAAD Case Reports” Surgical grafting may fix nail issues caused by valproic acid.
COVID-19 can cause hair loss and nail issues, with treatments available for these conditions.
April 2023 in “Asia-pacific Journal of Convergent Research Interchange” Hair manicure improves the strength and condition of bleached hair.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
47 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
33 citations
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December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
18 citations
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May 2004 in “Archives of Dermatology” Severe nutritional deficiency can cause serious health and development issues, including skin problems and hair loss.
August 2023 in “Journal of the European Academy of Dermatology and Venereology” Onycholemmal horn is a rare nail tumor in elderly women, treated by surgical removal.
January 2013 in “The Pan African medical journal” Monilethrix causes short, fragile hair with no specific treatment available.
June 2006 in “British Journal of Dermatology” Lower adrenal hormone levels may cause hair loss in postmenopausal women, certain patterns help diagnose nail cancer, and a gene variant linked to higher skin cancer risk in kidney transplant patients suggests monitoring folate levels.
32 citations
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May 2016 in “European journal of dermatology/EJD. European journal of dermatology” Targeted therapies for advanced skin cancer often cause hair and nail problems, which need managing to avoid changing the treatment dose.
February 2026 in “Clinical Drug Investigation” Baricitinib significantly improves nail and hair symptoms in severe alopecia areata.
1 citations
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January 2017 in “Current Dermatology Reports” Early baldness in men may indicate risks for obesity, metabolic syndrome, insulin resistance, and heart disease, similar to women with PCOS. Alopecia areata is often linked with autoimmune diseases and mental health issues. Certain hair disorders are due to genetic issues, and chemotherapy can cause hair loss through specific biological pathways. Iron deficiency's link to hair loss is still disputed.
36 citations
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December 1991 in “Journal of Dermatological Science” Human nails contain both skin and hair keratins, each needing different extraction methods.
10 citations
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June 2011 in “Archives of Dermatology” Finasteride caused blisters on hands and feet.