Medical Dictionary: Lactase deficiency


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Lactase deficiency: Another name for Lactose Intolerance.
Lactase deficiency (condition): Inability to properly digest lactose (milk sugar) and related dairy products
Lactase deficiency (condition): Lactose intolerance is a difficulty properly digesting lactose (milk sugar) and the various dairy products that contain lactose. It is very common with an estimated 30-50 million Americans affected, especially African Americans, Native Americans, and Mexican Americans. Lactose intolerance causes various digestive symptoms, usually after meals, including cramps, bloating, gas, and diarrhea.

Lactase deficiency: Lactose intolerance is the inability to digest significant amounts of lactose, the predominant sugar of milk. This inability results from a shortage of the enzyme lactase, which is normally produced by the cells that line the small intestine. 1

More information on medical condition: Lactose Intolerance:



Footnotes:
1. excerpt from Lactose Intolerance: NIDDK

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