In Exercised, human evolutionary biology professor, Daniel Lieberman, studies physical activity in primitive farmers and hunter-gatherer populations in Kenya in Mexico to answer questions like, 'Is sitting the new smoking?' and 'Why do humans have a sweet tooth?'

In Exercised, human evolutionary biology professor, Daniel Lieberman, studies physical activity in primitive farmers and hunter-gatherer populations in Kenya in Mexico to answer questions like, 'Is sitting the new smoking?' and 'Why do humans have a sweet tooth?'

Highlights from KIRO Newsradio 97.3 FM.

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