Food allergy is an immune system reaction that occurs soon after eating a certain food. Even a tiny amount of the allergy-causing food can trigger signs and symptoms such as digestive problems, hives or swollen airways. In some people, a food allergy can cause severe symptoms or even a life-threatening reaction known as anaphylaxis. Food allergy affects an estimated 8% of children under age 5 and up to 4% of adults. While there’s no cure, some children outgrow their food allergies as they get older. It’s easy to confuse a food allergy with a much more common reaction known as […]