In this story, I looked at food allergies, food sensitivities and kids. Allergists told me parents are often confused about what is a food allergy and what is a food sensitivity. An allergy is an abnormal immune system reaction to food. A food sensitivity is a physical reaction of discomfort to food, but not an immune response. Here are some stories of parents who have experienced this confusion and some who have tried food elimination diets that they believed worked for their children. Click here.