Tag Archives: dairy intolerance

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A while back we posted a holiday recipe for eggnog that explained how 7,500 years or so ago, humans in the region between the central Balkans and central Europe developed “lactase persistence.” According to a study by Professor Mark Thomas of University College London (UCL) Genetics, Evolution and Environment, “Most adults worldwide do not produce the enzyme lactase and so are unable to digest the milk sugar lactose. However, most Europeans continue to produce lactase throughout their life, a characteristic known as lactase persistence. In Europe, a single genetic change (13,910*T) is strongly associated with lactase persistence and appears to have given people with it a big survival advantage.”¹

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