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  1. Lifestyle - Books - SCIENCE

    Book review: Paleofantasy: What Evolution Really Tells Us About Sex, Diet, and How We Live, by Marlene Zuk

    Posted May 05th 2013, 12:00am by GDN

    ... mammalian babies can digest milk, but the gene that allows this switches off at the age of weaning- except in many modern humans. In the most northern human populations, i.e. Scandinavian, almost 100 per cent can digest milk. The percentage declines as you track southeast. A single base pair mutation allows adults to drink milk. It emerged around 7,500 years ago with the first dairying ...



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