Immunological aspects of allergy and anaphylaxis part 47

FOOD ALLERGY AND INTOLERANCE

Perhaps of all allergic reactions, the public, clinicians, and medical personnel misunderstand food allergy most. as little as 1 percent of the U.S. population has true food allergies compared with 20 percent who are perceived  to have them. True food allergy is a typical, and sometimes catastrophic, type I, IgE-mediated reaction, which preferably must be proven by in vitro or in vivo testing.