1 citations
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August 2021 Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
April 2026 in “International Journal of Molecular Sciences” Wnt signaling is crucial for skin, hair, and nail health and regeneration.
May 2018 in “The journal of immunology/The Journal of immunology” Mutations in the FOXN1 gene cause severe immune issues but don't affect hair and nails.
50 citations
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January 1986 34 citations
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April 1982 in “BMJ” 508 citations
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June 2009 in “Current drug metabolism” Tyrosine kinase inhibitors effectively treat cancers but often cause skin and other side effects.
276 citations
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January 2005 in “International review of cytology” More research is needed to understand how hair keratins work and their role in hair disorders.
275 citations
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November 2002 in “International Journal of Dermatology” Alopecia areata mainly affects young people and has significant psychological impacts, especially in males.
197 citations
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June 2009 in “American journal of human genetics” WNT10A mutations often cause ectodermal dysplasias, with males showing more tooth issues than females.
176 citations
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August 1981 in “JAMA” Toxic Shock Syndrome mainly affects menstruating women, can recur, and is linked to staph bacteria, with rapid treatment being crucial.
175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
124 citations
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December 1988 in “Differentiation” Trichocytic differentiation starts in cells with epithelial cytokeratins, transitioning to trichocytic cytokeratins in hair and gradually in nails.
116 citations
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December 2003 in “Acta Dermato Venereologica” Iressa often causes skin issues like acne and dryness in lung cancer patients.
111 citations
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November 2007 in “Clinics in Dermatology” Psoriasis skin changes are complex and might need several biopsies for a clear diagnosis.
109 citations
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May 2011 in “Dermatologic Therapy” Alopecia areata is a type of hair loss that can lead to complete baldness, often associated with other autoimmune conditions, and half of the cases may see hair return within a year.
104 citations
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August 2008 in “Clinics in Dermatology” Treating psoriasis on the scalp, nails, and skin folds is challenging, often requiring systemic treatments for severe cases, with some success in topical and biologic treatments.
87 citations
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December 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Cancer patients treated with immune checkpoint inhibitors may develop alopecia, but some hair regrowth is possible with treatment.
87 citations
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March 2013 in “Expert Review of Anticancer Therapy” Afatinib often causes skin problems that need proactive management.
79 citations
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April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.
78 citations
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January 2017 in “Skin appendage disorders” Biotin supplements may improve hair and nail growth in people with certain deficiencies or conditions, but there's not enough evidence to recommend it for healthy individuals.
78 citations
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December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
76 citations
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August 2007 in “Supportive care in cancer” Chemotherapy often causes skin, nail, and hair side effects, significantly impacting quality of life.
71 citations
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February 2012 in “The American Journal of Human Genetics” A specific ATR gene mutation is linked to a hereditary oropharyngeal cancer syndrome.
61 citations
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September 1994 in “Journal of Medical Genetics” Pachyonychia congenita is linked to a keratin gene on chromosome 17.
58 citations
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November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
57 citations
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August 2020 in “Journal of the American Geriatrics Society” Most adults over 70 have skin diseases needing treatment, with men more affected than women.
53 citations
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September 2017 in “BMJ Open” Nearly all elderly nursing home residents had a skin disease, with dry skin being the most common.
53 citations
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October 1978 in “Archives of dermatology” Zinc supplements can resolve skin issues caused by zinc deficiency.
49 citations
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March 2017 in “Journal of the American Academy of Dermatology” Tofacitinib caused significant hair regrowth in adolescents with alopecia universalis who didn't respond to other treatments.
48 citations
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October 2011 in “Sports Medicine” Ice-skating athletes often have skin problems due to cold, infections, and inflammation, needing careful treatment and prevention.