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.
When gluten, the protein found in wheat and other grains, passes through the gut lining and into your blood stream, your immune system will tag the foreign invader (gluten) with antibodies for destruction. The problem is that your immune system can mistake the thyroid for gluten, causing it to come under attack. Gluten Intolerance Is Not Just A Celiac Problem. When people think of gluten intolerance, they typically think of celiac disease (CD), but this is just one manifestation of gluten intolerance. To be officially labeled as having CD, there needs to be significant destruction of your instestinal microvilli.