Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
March 2021 in “CRC Press eBooks” Photography is essential for tracking hair disease progression, especially with consistent lighting and documenting specific scalp areas.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
July 2005 in “The American Journal of Human Genetics” The AR gene is linked to male-pattern baldness, TNFSF4 to heart disease, SLC19A3 to BBGD, MCT8 to a syndrome, and segmental duplications to genetic variation.
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June 2006 in “Journal of Neurobiology” Progesterone protects brain cells, but Provera does not.
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April 2018 in “Trends in Molecular Medicine” Lichen Planopilaris and Frontal Fibrosing Alopecia may help us understand hair follicle stem cell disorders and suggest new treatments.
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October 2008 in “Archives of dermatological research” Generalized vitiligo in Chinese patients is linked to other autoimmune diseases, especially in familial cases.
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March 2017 in “Nature communications” Researchers found 63 genes linked to male-pattern baldness, which could help in understanding its biology and developing new treatments.
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May 2014 in “Molecular Phylogenetics and Evolution” The research found how GPCR Class A Rhodopsin receptors are related and suggested possible substances they interact with.