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    This week in science: Ancient cavities, asthma research and understanding exercise molecules

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    (AP Photo/Kenneth Garrett)

    (AP Photo/Kenneth Garrett)

    The Scientist’s Kerry Grens tells us about the rotting teeth of hunter-gatherers and new research linking fiber to reduced asthma rates. 

    Kerry Grens, an associate editor at The Scientist, joins The Pulse regularly for updates on the latest developments in science. 

    This week, she talks with Pulse host Maiken Scott about new research linking fiber to reduced asthma rates in mice, the rotting teeth of hunter-gatherers and an exercise molecule that targets fat. 

    Click on the audio link above for the full interview.

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