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Lactose intolerance

Overview

What is lactose intolerance? Lactose intolerance is a medical condition caused by a lack of the intestinal enzyme lactase, which helps digest lactose or milk sugar. This inability to digest one of the carbohydrate components of milk, lactose, can lead to a number of symptoms including diarrhoea and vomiting.

What is lactose intolerance?

Lactose intolerance is a condition caused by the body's inability to digest one of the carbohydrate components of milk, lactase.

Risk factors for lactose intolerance

Age, ethnicity, premature birth and diseases affecting the small intestine all play a role in determining one's risk for lactose intolerance.

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