Some children, such as Ryan Morgan, have severe allergic reactions to peanuts

What causes allergic reactions to peanuts? A. lack of peanuts in the diet B. digestive system intolerance C. immune system response

Peanuts are a common dietary staple for many children. But for some with severe allergic reactions, eating, touching and even smelling peanuts can be deadly. Although the allergy is rare, many schools and even airlines are considering "peanut-free" zones where the little legume is banned. CNN Correspondent Anne McDermott reports.

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CNN's Anne McDermott talks with moms and kids who can't touch peanuts
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