A food allergy is an adverse immune response to certain kinds of food. They are distinct from other adverse responses to food, such as food intolerance, pharmacological reactions, and toxin-mediated reactions.Wikipedia
Biologically, a food allergy is defined as an immunoglobulin E (IgE)-mediated clinical reactivity to one or more specific food proteins. Food allergies affects 2%–10% of children in the United States, with the most common food allergies being to peanuts, eggs, and cow's milk.[PMID 25710614]
Genetic factors found to be associated with food allergies include:
