The specific IgE (or sIgE) test and the enzyme-linked immunosorbent assay (ELISA) test detect specific antibodies to allergens and are most commonly used to diagnose allergies. In both, a small amount of blood is taken and analyzed for IgE antibodies (allergic antibodies) to specific antigens.
Having a food allergy used to mean dining out was limited to carrying your plate from the kitchen to the porch or, at best, eating at the home of a close friend or relative who could guarantee your food offenders were nowhere in sight.
Today, however, eating out is a lot easier -- and safer -- for the 2 million Americans who suffer with a mild, moderate, or even a severe food allergy. One reason: Restaurants are more aware and more prepared.
"The awareness of food allergies has definitely increased...