National Public Radio (NPR) reported on a fascinating theory of Mark Thomas, an evolutionary geneticist at University College London. He points out that we human beings all started out being unable to digest milk's dominant sugar, lactose, after childhood. In fact, most adult mammals do not drink milk. But 20,000 years ago, people of Northern and Central European descent and certain
Sunday, December 30, 2012
Lactose Intolerance in the Genes
National Public Radio (NPR) reported on a fascinating theory of Mark Thomas, an evolutionary geneticist at University College London. He points out that we human beings all started out being unable to digest milk's dominant sugar, lactose, after childhood. In fact, most adult mammals do not drink milk. But 20,000 years ago, people of Northern and Central European descent and certain
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