6 citations
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November 1977 in “International Journal of Legal Medicine” Human hair contains a substance that shows blood group A activity.
March 2026 in “Dicle Medical Journal / Dicle Tip Dergisi” In this study, researchers reported no significant association between ABO or Rh blood groups and the incidence of hidradenitis suppurativa among patients compared to healthy controls.
March 2019 in “Open Access Journal of Science” This study at Bahauddin Zakariya University aimed to explore any potential link between hair growth and blood group, but no new results are reported in this abstract.
January 2010 in “Nihon Hou Kagaku Gijutsu Gakkaishi” This study concluded that their modified immunohistochemical staining protocol can determine the ABO blood group of both medullated and non-medullated scalp hair, potentially aiding in hair sample screening before DNA analysis.
2 citations
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January 2023 in “Dermatology Practical & Conceptual” This study found that patients with alopecia areata had a higher frequency of the AB+ blood group compared to healthy controls.