Is It Time To Rethink Peanut Allergies?07:29
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(sweenpole2001/Flickr)
(sweenpole2001/Flickr)

About 12 million Americans have food allergies and the rate of allergies is rising sharply. In the last 10 years, allergies to peanuts have doubled in the U.S. and Great Britain while remaining constant in others parts of the world. New research questions whether steering clear of peanuts is a good thing.

Dr. Jerome Groopman of Harvard Medical School and the Beth Israel Deaconess Medical Center joins us to talk about research into allergies.

This segment aired on April 21, 2011.

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