Primary Adult Lactase Deficiency

Most human populations manifest high prevalences of primary adult lactase deficiency. The most notable exception is that populations deriving from northern and western Europe show high rates of lactase sufficiency in adults. The evidence supporting hypotheses of physiological adaptation and genetic etiology of the trait is discussed, and possible areas for further research are suggested

Adaptation (eye · Biology · Etiology · Evolutionary biology · Lactase · Sociology · Trait · Biochemistry · Demography · Digestive system and related health · Genetics · Internal Medicine · Medicine · Neuroscience · Nutrition, Genetics, and Disease

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• Primary Adult Lactase Deficiency

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• Lactase Deficiency

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