Allergies occur when the body’s immune system reacts to a usually harmless substance as though it is harmful. Why this happens, isn’t clear. However, most sufferers come from families that have a history of allergies, or related problems. Every year, the number of people with allergies is increasing so having an awareness of potential allergens and why they can be harmful is becoming more important, particularly if you work in the service industry.

This course covers general allergies, food allergies and food intolerance's and explain the differences between them. It covers the 14 allergens controlled by legislation along with food additives and how they can trigger allergic reactions. It takes a detailed look at the symptoms of food allergies and takes in the wider picture discussing the current theories of why rates are increasing. It then finishes off by covering practical steps that can be taken to reduce the risk from allergens and also what steps can be taken both internally and externally to monitor the control measures.