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February 2017 in “Journal of gynecology and womens health” The document concluded that more research is needed to understand how estrogen affects the enzyme involved in hirsutism development.
January 2026 in “BMC Veterinary Research” A genetic variant in "Blonde d'Aquitaine" calves causes death at birth due to a missing protein.
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April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
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September 2018 in “International journal of research - granthaalayah” Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
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November 2010 in “Journal of molecular medicine” FoxN1 gene is essential for proper thymus structure and preventing hair loss.
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
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January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.