"Particular attention is drawn to the distinction between meso- and thermophilic #fermentation as a possible clue as to the reasons for the strong selective advantage of #LactasePersistence."

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Lactose tolerance spread throughout Europe in only a few thousand years: Palaeogeneticists at #UniMainz have found evidence of #LactasePersistence in only a small proportion of human bones from the #BronzeAge battlefield in the #Tollense valley...