Celiac Disease is an autoimmune condition that is popping up more frequently in both children and adult populations. Unfortunately, the cause of Celiac Disease is unknown, but it may be inherited from relatives who have the condition.
The disease stems from an immune system reaction to gluten, a protein found in foods containing wheat, barley, and rye. When gluten is consumed, the immune system battles with the protein and the result is damage to the small intestine. Your small intestine is a crucial part of the digestive system, and damage to it will affect the absorption of food and its nutrients.
Common symptoms of Celiac Disease include gas and bloating, weight loss, abdominal cramping, and chronic diarrhea or constipation. You should see your doctor if these, or any other unexplained symptoms, occur for proper diagnosis.
Those individuals who do have Celiac Disease need to avoid eating foods containing gluten. Fortunately, the food industry is more aware of the condition and creating gluten free products that can be found at your local grocery store! As a final note, always check the ingredients list to make sure the food product is indeed gluten free.
Sources:
http://www.webmd.com/digestive-disorders/celiac-disease/celiac-disease-topic-overview
https://www.celiac.org/index.php?option=com_content&view=article&id=3&Itemid=9