Food-allergy fears drive overly restrictive diets, study suggests

Many children, especially those with eczema, are unnecessarily avoiding foods based on incomplete information about potential food-allergies, according to researchers. The food avoidance poses a nutritional risk for these children, and is often based primarily on data from blood tests known as serum immunoassays. Oral food challenges, a definitive test of food allergy, allowed 125 children to restore 325 foods to their diets.

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