How Eating Peanuts Can Prevent Peanut Allergies

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Since 2006, parents whose children are high-risk for peanut allergy have been told to keep them away from peanuts until they turned three. Now a study that's being called "revolutionary," tells parents to do just the reverse.

This week, the New England Journal of Medicine published results from the most extensive study of peanut allergy ever conducted. It involved 640 children over four years. Some specialists in allergy immunology are calling it "mind blowing," as we hear from Jennifer Couzin-Frankel, a staff writer at Science magazine.