Food allergy, preservatives and Asthma Food allergy, preservatives and Asthma One of the marvels of the human body is that it can defend itself against harmful invaders such as viruses or bacteria.
Few foods can trigger allergic reactions.
Among the most common are cow's milk, eggs, wheat, soya, peanuts and fish . Allergic reactions to food may occur anywhere in the body, but usually in the digestive system, the skin, and occasionally in the nose and lungs - the places where the special immune system cells are stationed to fight off invaders that are inhaled, swallowed or come in contact with the skin. In most cases, foods cause reactions in allergy-prone individuals if they are swallowed. In certain people, food may cause reactions such as asthma if inhaled. For example, flour can cause asthma in bakers who are allergic to this substance.