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Saturday, May 15, 2010

What is Celiac Disease?

Once my son and I were diagnosed with celiac disease, I found the following to be most helpful in understanding what celiac disease is. For this and much more see the National Digestive Diseases Information Clearing House. http://digestive.niddk.nih.gov/


Celiac disease is a digestive disease that damages the small intestine and interferes with absorption of nutrients from food. People who have celiac disease cannot tolerate gluten, a protein in wheat, rye, and barley. Gluten is found mainly in foods but may also be found in everyday products such as medicines, vitamins, and lip balms.
Drawing of the digestive system with the small intestine highlighted and the stomach, liver, small intestine, and colon labeled.
The small intestine is shaded above.
When people with celiac disease eat foods or use products containing gluten, their immune system responds by damaging or destroying villi—the tiny, fingerlike protrusions lining the small intestine. Villi normally allow nutrients from food to be absorbed through the walls of the small intestine into the bloodstream. Without healthy villi, a person becomes malnourished, no matter how much food one eats.
Drawing of a section of the small intestine with detail of villi. The small intestine and villi are labeled.
Villi on the lining of the small intestine help absorb nutrients.
Celiac disease is both a disease of malabsorption—meaning nutrients are not absorbed properly—and an abnormal immune reaction to gluten. Celiac disease is also known as celiac sprue, nontropical sprue, and gluten-sensitive enteropathy. Celiac disease is genetic, meaning it runs in families. Sometimes the disease is triggered—or becomes active for the first time—after surgery, pregnancy, childbirth, viral infection, or severe emotional stress.

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