Humans Drank Milk 6,000 Years Ago

Guest: Sophy Charlton, Researcher of Biomolecular Archaeology, University of York The average American consumes more than 600 pounds of dairy products per year. But it definitely didn’t used to be that way –humans couldn’t always drink milk. Ancient adults were lactose intolerant, and it’s still a mystery why so many humans aren’t anymore. That’s why it was a big surprise when researchers from the University of York examined teeth from people who lived 6,000 years ago and discovered that they consumed dairy. (Originally aired October 7, 2019).