The AB Design can be used to quickly assess the effects of an experimental variable. Its main disadvantage its inability to distinguish the experimental effect from possible confounds that might occur coincident with the change of condition.
ceÂ·liÂ·ac disÂ·ease. A disease occurring in children and adults characterized by sensitivity to gluten, with chronic inflammation and atrophy of the mucosa of the upper small intestine; manifestations include diarrhea, malabsorption, steatorrhea, and nutritional and vitamin deficiencies.
For those with celiac disease, gluten intolerance is not just an inconvenience â it can be debilitating. In such cases, you must not eat any foods containing gluten. Gluten can cause long-term damage to your small intestine, and may result in nutritional deficiencies.Currently there are no known cures or effective treatments for celiac disease.luten Allergy Overview. A gluten allergy is the body's inability to digest or break down the gluten protein found in wheat and certain other grains. Gluten intolerance (also known as a gluten sensitivity) can range from a mild sensitivity to gluten to full-blown celiac disease.