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March 2017 in “Semina Ciências Agrárias” Hunting wild boar can cause fungal infections in dogs.
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February 1992 in “Journal of veterinary medicine. Series A” The farm-raised blue fox had a delayed winter coat cycle and abnormal hormone levels, but its hair growth and hormone changes were still linked.
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May 2011 in “International Journal of Dermatology” A 12-year-old boy in rural south India had a rare skin condition causing hair loss and inability to sweat.
September 2009 in “Jagiellonian University Repository (Jagiellonian University)” Syphilis can cause hair loss in some cases.
January 2022 in “Figshare” Melatonin affects when and how certain genes work during the different stages of hair growth in goats.
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May 1964 in “Nature” 8 citations
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May 2003 in “Clinical and Experimental Dermatology” A 14-year-old girl's black hair showed unique color changes, suggesting early greying.
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January 2011 in “Orphanet Journal of Rare Diseases” IFAP syndrome is a rare genetic disorder causing skin, hair, and eye issues, with limited treatment options.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
October 2019 in “European Journal of Dermatology” The boy's hair and skin color differences are due to a pigmentation disorder.
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July 1968 in “JAMA” Itching can be an early sign of hyperthyroidism.
May 2025 in “International Journal For Multidisciplinary Research” Cats and dogs with dermatophytosis show skin issues, with dogs having more severe symptoms.
1 citations
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January 2017 in “International Journal of Trichology” A new mutation caused a rare hair disorder in a Polish girl, not inherited from her family.
April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” 9 citations
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May 2014 in “BMC medical genetics” A woman with a unique syndrome similar to TRPS has a genetic change near the TRPS1 gene, affecting its regulation.
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May 1995 in “Journal of the American Academy of Dermatology” Erythromelanosis follicularis faciei can also affect women, though it's rare.
November 2024 in “Journal of Investigative Dermatology” Skin and hair cells release serotonin and histamine naturally, which could help improve skin health.
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December 2003 in “International Journal of Cosmetic Science” Hair growth and shedding are linked and can be disrupted, causing a delay known as the hair eclipse phenomenon, which is common in certain hair conditions and could lead to new treatments.
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October 1976 in “The BMJ” A woman showed neurological symptoms from psittacosis linked to bird exposure, improving after antibiotic treatment.
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June 2016 in “Medicina” Monilethrix is a genetic disorder causing brittle hair, diagnosed using tricoscopy.
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April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” A new mutation in the Connexin 26 gene was found in a patient with KID syndrome, expanding the known disorders linked to this gene.
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February 1977 in “PubMed” Increasing light exposure in winter can make mares ovulate and cycle earlier.
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January 1992 in “Experientia” January 2022 in “The Pan African medical journal” Hypertrichosis causes excessive hair growth and needs psychological support due to its impact on self-esteem.
November 2023 in “Global Medical Genetics” Netherton syndrome can cause severe dehydration, infections, and growth issues in infants.
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May 2010 in “PLoS neglected tropical diseases” Secondary syphilis in Cali, Colombia, shows high Treponema pallidum presence and challenges in early diagnosis, needing better public health strategies.