Article: Lactose Intolerance, Part 1
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Lactose Intolerance, Part 1
What Lactose Intolerance Is
Lactose intolerance is the inability to digest lactose, a sugar found in milk. Lactose intolerance is caused by a deficiency in the enzyme lactase, found in the small intestine. Lactase breaks down milk sugar into simpler forms that can then digested by the human body.
When there is not enough lactase to digest lactose, the symptoms of lactose intolerance appear. Undigested lactose remains in the colon where it is fermented by bacteria, and various gases are produced. This is what gives you the symptoms.
Symptoms
Not everyone who has a lactase deficiency is lactose intolerant. People who manifest symptoms are said to be lactose intolerant.
Some of the symptoms of lactose intolerance are n...
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