The most recent available European food allergy prevalence data based on food allergen-specific serum IgE (sIgE) antibody reactions (AbRs) were published by the European Academy of Allergy and Clinical Immunology (EAACI) in 2023, reporting a prevalence of 16.6% for food allergies based on sIgE AbR in European individuals, specifically 18.4% and 11.2% for children and adults, respectively [2]. Here, IGHE is linked to food allergy.