Food allergy affects between 5% and 7.5% of children and between 1% and 2% of adults.
The greater prevalence of food allergy in children reflects both the increased predisposition
of children to develop food allergies and the development of immunologic tolerance to
certain foods over time. Immunoglobulin (Ig) E-mediated food allergies can be classified as
those that persist indefinitely and those that are predominantly transient. Although there is
overlap between the two groups, certain foods are more likely than others to be tolerated in …