Introduction Ever increasing numbers of people are suffering from allergies. Many individuals are developing allergies not only to dust and pollen, but to foods, household chemicals, smoke and other substances and products as well. Avoiding the allergic food, or substance is one possible answer. However, avoidance is often not practical, or even possible. Also, avoidance does not help identify the primary cause of the allergy problem. Modern nutritional science and biochemistry are now capable of providing significant insights into the basic causes