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Stanford study shows asthma drug could help prevent dangerous allergic reactions to food in children

The CDC says about 8% of kids in the U.S. suffer from some sort of food allergy. CBS News Bay Area anchor Elizabeth Cook asks Sharon Chinthrajah, MD, with the Center for Allergy and Asthma Research at Stanford Medicine, how the drug works, and about the signs parents should look out for that a child may have food allergies
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