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Food allergies are becoming more common in children, and avoidance of certain foods can have important nutritional implications. Researchers reviewed medical records of nearly 10,000 children at two general pediatric practices in New York City to compare height and weight between children with and without food allergies. Four percent of children avoided foods because of physician-diagnosed food allergy.
In linear regression (adjusted for age, sex, race, pediatric practice, and atopic conditions), food allergies were significantly associated with lower height and weight in children with commercial insurance (mean height z-score, 0.06 vs. 0.42 in controls; mean weight z-score, –0.1 vs. 0.07), but not in children with state insurance. The assoc…