What Is A Food Allergy And How Common Is It?

Dr. Wesley Burks answers the question: 'How Common Are Food Allergies?'

ByABC News
March 25, 2008, 9:53 AM

— -- Question: What is a food allergy and how common is it?

Answer: Food allergy's an abnormal response of the immune system. It typically occurs in the first several years of life. We have about eight million children in the United States that have food allergy and about four million adults.

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