A person with a new mutation in the SCN1A gene developed brain inflammation after COVID-19.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
February 2025 in “Cermin Dunia Kedokteran” ADEM is a sudden brain disorder often following infection or vaccination, diagnosed by ruling out other conditions.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Restoring communication in hair follicle networks may treat hair loss and improve sexual dysfunction.
May 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Age-related hair loss is linked to the decline and dysfunction of hair follicle stem cells.
5 citations
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July 1999 in “Journal of Anatomy” Methylene blue staining effectively reveals detailed nerve structures in rat snouts.
16 citations
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July 2021 in “American Journal of Medical Genetics Part A” Mutations in the LSS gene cause hair loss and may affect brain development, with varying severity.
56 citations
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February 2010 in “PLOS ONE” Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.
6 citations
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December 2014 in “Clinical and Experimental Dermatology” Hair density and thickness decrease in all scalp areas for East Asians with AGA.
2 citations
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July 2022 in “Frontiers in Medicine” The cause of Frontal fibrosing alopecia, a type of hair loss, is complex, likely involving immune responses and genetics, but is not fully understood.
6 citations
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April 2017 in “Experimental dermatology” CD80CD86 deficiency causes hair loss by disrupting regulatory T cells.
1 citations
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April 2016 in “Journal of Investigative Dermatology” Zinc deficiency causes reversible hair loss by disrupting hair growth and stem cell function.
19 citations
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January 2018 in “Scientific Reports” Non-immune factors play a significant role in alopecia areata.
Ca²⁺-mediated protein citrullination controls cell growth in the CNS and may help treat brain tumors.
March 2024 in “Cancer Research” Eliminating senescent cells can prevent and reverse chemotherapy-induced peripheral neuropathy.
July 2025 in “Journal of Investigative Dermatology” Resident memory T cells and necroptosis may drive fibrosis in eosinophilic fasciitis and morphea.
October 2021 in “The Egyptian Journal of Hospital Medicine” Alopecia areata causes patchy hair loss and involves immune system disruptions.
4 citations
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May 2019 in “Journal of The European Academy of Dermatology and Venereology” Hair loss treatment caused more hair loss in a man.
1 citations
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November 2023 in “Indian Dermatology Online Journal” Severe itching from shingles can cause hair loss due to rubbing.
1 citations
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September 2012 in “Journal of Investigative Dermatology” Aging reduces stem cell activation, leading to hair loss in mice lacking a specific enzyme.
180 citations
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April 2002 in “Cell Death and Differentiation”
June 2024 in “The American journal of psychiatry” Schizophrenia risk genes may affect early brain development, contributing to the disease.
2 citations
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December 2023 in “International Journal of Dermatology” A unique type of hair loss mimics another condition but has minimal inflammation and specific immune cells present.
April 2026 in “Diagnostics” Parry–Romberg Syndrome can involve the brain even without obvious symptoms, and a new diagnostic framework is suggested for early detection.
Aluminum phosphide poisoning can cause horizontal nail grooves and hair loss.
1 citations
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April 2022 in “Journal of The American Academy of Dermatology” Hair loss in men (androgenetic alopecia) is significantly linked to decreased scalp sensitivity, but not temperature sensitivity. More research is needed to confirm this. Comparing this hair loss to leprosy is unsupported and stigmatizing.
Herpes zoster can cause lasting nail and hair damage.
8 citations
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January 2002 in “Piel” Postmenopausal women may experience frontal hairline and eyebrow loss due to cicatricial fibrosis.
April 2020 in “International journal of research in dermatology” An 8-year-old girl has a rare, irreversible hair loss condition caused by a genetic mutation.
November 2024 in “Journal of Investigative Dermatology” Genetic defects in the Wnt/PCP pathway may cause congenital yellow nail syndrome.