&NA;The incidence of all allergic diseases appears to be on the increase in industrialized societies. The standard methods of diagnosis (food challenge) and therapy (avoidance) for food allergies remain rather primitive, while the incidence of atopy appears to be increasing. However, a number of advances in recent years hold promise for improvement. This review summarizes important studies and concepts in the field of food allergies. Special emphasis is given to the areas of diagnosis and therapy.