Lactose intolerance causes: Difference between revisions
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{{Lactose intolerance}} | {{Lactose intolerance}} | ||
{{CMG}} | {{CMG}} | ||
==Overview== | ==Overview== | ||
==Causes | |||
Some causes of lactose intolerance are well known. Primary [[lactase]] deficiency is a condition that develops over time. After about age 2 the body begins to produce less lactase, though most people will not notice symptoms until they are much older. Secondary lactase deficiency occurs when injury to the small intestine or certain digestive diseases reduce the amount of lactase a person produces. These diseases include [[celiac disease]], [[inflammatory bowel disease]], and [[Crohn’s disease]]. | Some causes of lactose intolerance are well known. Primary [[lactase]] deficiency is a condition that develops over time. After about age 2 the body begins to produce less lactase, though most people will not notice symptoms until they are much older. Secondary lactase deficiency occurs when injury to the small intestine or certain digestive diseases reduce the amount of lactase a person produces. These diseases include [[celiac disease]], [[inflammatory bowel disease]], and [[Crohn’s disease]]. | ||
==References== | ==References== | ||
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Revision as of 20:14, 14 July 2016
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
==Causes Some causes of lactose intolerance are well known. Primary lactase deficiency is a condition that develops over time. After about age 2 the body begins to produce less lactase, though most people will not notice symptoms until they are much older. Secondary lactase deficiency occurs when injury to the small intestine or certain digestive diseases reduce the amount of lactase a person produces. These diseases include celiac disease, inflammatory bowel disease, and Crohn’s disease.