There are lots of people who are suffering from tragic food allergies. However, some don't have any idea that they have it. Food allergy is the result of the body's basic reaction upon introducing the types of food that are difficult or cannot be digested by the system. Once these types of food are digested and penetrate into the bloodstream, some of the food nutrients or other food components are rejected by the body. The tendency of the antibodies and other related elements are to fight back. Thereafter, allergy symptoms become apparent. Common symptoms of food allergy include swollen…