Increased 25(OH)D3 Level in Redheaded People: Could Redheadedness Be an Adaptation to Temperate Climate?

    June 2020 in “ Experimental dermatology ”
    Jaroslav Flegr, Kateřina Sýkorová, Vojtěch Fiala … Šárka Kaňková
    Studysummary This study found that redheaded individuals had higher levels of vitamin D precursor 25(OH)D3 compared to non-redheaded individuals, suggesting a physiological adaptation to low UVB radiation in Europe.
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    4. Nutritional Factors and Hair Loss Clinical and Experimental Dermatology · 2002