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.
Gluten intolerance can cause a variety of symptoms, including hives. Gluten is a complex protein found in wheat, rye and barley. Gluten intolerance is a broad term that refers to different degrees of gluten sensitivity. Celiac disease is an autoimmune condition characterized by severe gluten intolerance. Both celiac disease and gluten intolerance can cause a range of symptoms, including hives. Celiac disease also often co-exists with a condition known as hemochromatosis, a hereditary disease occurring when your body absorbs too much iron.