Food Allergies Aren't Entirely Driven By Genetics, Review Finds

TUESDAY, Feb. 10, 2026 (HealthDay News) — Genes aren’t the only factor at play in determining which children will develop a food allergy, a new evidence review says.

Antibiotic use, the presence of other immune system diseases, and delayed introduction of allergenic foods all also can play a role in the start of childhood food allergies, researchers reported Feb. 9 in JAMA Pediatrics.