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Why Does Your Gut Bacteria Love Granny Smith?

caption: What's the truth behind "an apple a day"?
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What's the truth behind "an apple a day"?
Flicker Photo/Deborah Fitchett (CC-BY-NC-ND)

Marcie Sillman speaks with Washington State University researcher Dr. Giuliana Noratto about why an apple a day just might keep obesity away.

Why you can trust KUOW