It seems more and more these days you hear of people with food allergies and intolerances. One of the main problems that exists is celiac disease. Celiac disease is more than a simple intolerance. It is a genetic autoimmune disease which affects approximately 1% of the Canadian population. Celiac disease affects the small intestine and is triggered by the consumption of gluten. If left untreated, it can lead to significant health problems such as malnutrition, thyroid problems and more. Check out the following symptom checker from National Foundation for Celiac Awareness and talk to your doctor for more information.