research Increased 25(OH)D3 level in redheaded people: Could redheadedness be an adaptation to temperate climate?
Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
George Town, Penang, Malaysia
Austin, TX, United States
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Seligenstadt, Hessen, Germany
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Chiang Mai, Thailand
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Phoenix, United States
Warsaw, Poland

