January 2026 in “Digital Repository (National Repository of Grey Literature)” In this study, researchers measured long-term cortisol levels in horse hair to assess stress under different management conditions, finding the highest levels in police horses and much lower levels in sport and leisure horses, suggesting management methods may influence stress loads.
January 2026 in “Digital Repository (National Repository of Grey Literature)” In this study, two formulations of platelet-rich plasma and two mesotherapy products showed varying degrees of effectiveness in improving hair thickness, density, and count in androgenetic alopecia patients after six months, with MZT1 and PRP2 achieving statistically significant improvements in most measures.
January 2025 in “Digital Repository (National Repository of Grey Literature)” In this study, analysis of questionnaire data from over 111,000 respondents revealed that red hair is significantly associated with a higher level of mental health problems in both men and women, while red-haired women also exhibited poorer overall physical health.
June 2013 in “Digital Repository (National Repository of Grey Literature)” This research explores the sociological impact of hair loss, finding that both women and men regard it as a negative experience and employ different strategies to cope with its implications.
January 2013 in “Digital Repository (National Repository of Grey Literature)” This study explores the social and cultural impacts of hair loss, highlighting that it is perceived as a negative or stigmatizing experience by both women undergoing chemotherapy and men with androgenic alopecia.
19 citations
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December 2008 in “Medical Journal of Australia” This study found no significant association between the degree of male-pattern baldness and serum 25-hydroxyvitamin D levels in healthy middle-aged and older men.
This study identified a genetic locus associated with rhabdomyosarcoma susceptibility in mice and found that specific differentiation markers are linked to the regression of basal cell carcinoma.
9 citations
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November 2015 in “JAMA dermatology” This case study describes an elderly woman with distinctive black hair patches and scalp pigmentation, but it does not provide a diagnosis or new findings.
1 citations
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July 2018 in “JAMA dermatology” This abstract contains navigation and subscription information for JAMA Dermatology and reports no new clinical findings.
13 citations
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September 1997 in “Archives of Dermatology” This case report describes a 5-year-old boy with a solitary patch of hair loss, potentially linked to a fungal infection after antibiotic treatment showed minimal effectiveness.
January 2021 in “Advances in health sciences research/Advances in Health Sciences Research” This case report describes two siblings with gray patch tinea capitis, highlighting exposure to cats and inappropriate corticosteroid use as risk factors, and treatment with griseofulvin and terbinafine.
2 citations
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September 2021 in “Cutis” Eating shiitake mushrooms caused a man to develop a rash similar to a skin condition known as AGEP.
1 citations
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September 2017 in “BMJ” The man has a disease causing skin patches, thickened nerves, and mild muscle weakness.
November 2023 in “BMJ case reports” Results are not reported in this abstract, which describes a man in his 30s with a 4-year history of patchy hair loss on the right lower leg and associated itching, highlighting the use of dermoscopy in his examination.
October 2019 in “European Journal of Dermatology” This review discusses the diagnosis and treatment of pityriasis rubra pilaris and reports no new clinical results.
2 citations
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January 2017 in “Journal of Pigmentary Disorders” This article discusses vitiligo, reviewing its symptoms, possible causes, and classification, but reports no new clinical findings.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
13 citations
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January 2014 in “Postępy Dermatologii i Alergologii” This report describes four cases of patchy, non-scarring alopecia areata that spared gray hairs and affected only pigmented hairs.
23 citations
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April 2002 in “Journal of the American Academy of Dermatology” This case report describes persistent depigmented hair regrowth from an alopecia areata patch, challenging the previous assumption that such regrowth is only temporary.
2 citations
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May 2024 in “BMC Genomics” This study analyzed the genetics of the patchiness phenotype in New Zealand rabbits and found that the gene KRT82, with identified SNPs in its promoter, may serve as a potential biomarker for breeding these rabbits.
June 2023 in “JAAD Case Reports” This article reviews the epidemiology of desmoplastic melanoma and reports no new clinical findings, emphasizing higher risks in chronically sun-exposed older males.
14 citations
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April 2016 in “British Journal of Dermatology” This study found that a combined pattern of repigmentation was most commonly observed in vitiligo, with a new 'medium spotted' pattern proposed for areas with few hair follicles.
September 2022 in “Anais Brasileiros de Dermatologia” This case study reports a female adult patient with annular elastolytic giant cell granuloma on the scalp, observed through dermoscopy showing multiple yellowish/orange follicular dots against an erythemato-whitish background.
November 2024 in “Chattagram Maa-O-Shishu Hospital Medical College Journal” In this study conducted in Bangladesh, researchers reported a higher prevalence of patchy alopecia in males, with non-cicatricial alopecia being more common, particularly alopecia areata, highlighting the need for accurate diagnosis to improve treatment and quality of life.
July 2026 in “Cosmoderma” In this case report, a 5-year-old boy presented with an itchy patch of hair loss in the frontotemporal region, with trichoscopy revealing specific hair shaft features, such as black dots and corkscrew hairs.
June 2024 in “Journal of the European Academy of Dermatology and Venereology” This abstract provides information on potential conflicts of interest and acknowledges sources of support for the findings, but does not report specific study results.
176 citations
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February 2006 in “Cancer Research” This study found that loss of Ptch1 function in mouse skin's basal cells is sufficient to rapidly induce tumors resembling human basal cell carcinoma, suggesting Ptch1 as a key tumor suppressor.
67 citations
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August 2013 in “International Journal of Cosmetic Science” This review discusses the role of oxidative stress in hair greying and suggests that understanding melanocyte susceptibility at different follicular locations may help develop therapies for preventing and reversing the process; it reports no new experimental results.
12 citations
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February 2019 in “Skin research and technology” This study found that white hair fibers have lower lipid content and different water absorption dynamics compared to brown hair fibers, suggesting differences in their barrier functions.
8 citations
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July 2018 in “European Journal of Dermatology” A medication may help with hair growth in psoriasis, and a skin condition might be linked to a specific bacteria.