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and function of the small bowel's mucosa impair the body's ability to digest or absorb nutrients from food. It is estimated that 1 in every 133 to 250 persons (up to 3 million) in the United States and 1% of people in the world are affected by coeliac disease.

The principal cause of the disorder is an immunologic reaction to components of certain dietary glutens. This is a cell-mediated reaction, not a typical IgE type allergy. The targets of the immunologic response are gliadin , hordein , and secalin , proteins contained in the gluten component of wheat, barley, and rye. Traditionally, oats have been included in the list as well, but some recent studies have brought into question whether this is necessary [1]. Corn ( maize), sorghum, and rice are considered safe for a patient to consume. They do contain types of gluten that do not trigger the disease.

In most patients, a strict wheat and gluten-free dietA gluten-free diet is a diet completely free of ingredients derived from gluten containing cereals, wheat, oats, barley and rye. This diet must be strictly followed by sufferers of celiac disease Special care must be taken when checking ingredients lists will relieve the symptoms. Some patients suffer from refractory sprue. Many cases of refractory sprue are in patients exquisitely sensitive to even trace amount of the problematic glutens; thus, dietary restriction fails due to trace contamination of products with wheat proteins. In other patients, a sprue-like condition may be due to intolerance to other dietary proteins such as those found in eggBird and fish eggs are common food sources. Fish eggs are known as roe or caviar. The most commonly-used bird eggs are those from the chicken, duck and goose, but smaller eggs such as quail eggs are occasionally used as a gourmet ingredient, as are the la, milkMilk most often means the nutrient fluid produced by the mammary glands of female mammals (including monotremes such as the Australian platypus). It provides the primary source of nutrition for newborns, before they are able to digest more diverse foods., or soy.

1 Signs and symptoms

• Loss of normal villous ("frilly") lining of the small bowel
• Reduced surface area available for absorption
• Coeliac disease improves dramatically when gluten (a protein found in wheat products) is removed from the diet
• Causes diarrheaDiarrhea in American English, (spelt diarrhoea elsewhere) is a condition in which the sufferer has frequent and watery bowel movements. This condition can be a symptom of injury, disease or foodborne illness and is usually accompanied by abdominal pain, a (with bulky pale offensive stools which may float) due to malabsorptionThe state of impaired absorption of nutrients in the small intestine. Usually malabsorption involves fat and fat soluble vitamins, although it may affect vitamin B12, folic acid, protein and carbohydrates. Diarrhea is often present clinically. in 50% of patients. In some patients, coeliac disease is first suspected after finding a combination of lactose intolerance and fructose malabsorption in standardized tests.
• Weight loss
• Selective dietary deficiencies such as dietary iron deficiency, Vitamin B12 deficiency, osteoporosis (due to Vitamin D malabsorption), or other secondary dietary deficiencies may be the sole symptom or found in addition to diarrhea
• There is an increased risk of intestinal T-cell lymphoma in untreated cases
• Runs in families
• Predominates in Northern European populations