What are the symptoms, and reasons for lactose intolerance?

Lactose isn't absore. Fermentation of lactose in the small inestine from failure to absorb lactose. The enzyme is present in adequate amounts in all children who are breast fed, and when age appropriate given regular milk. Blacks are suceptible to this at an earlier age, and caucasions, who go for long periods without injecting milk or other lactose containing products. Gas, bloating, cramps, and diarrhea can occur!

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Anyone know what is a reason for lactose intolerance?

Lactose. The cause is the inability or decreased ability of the small bowel to digest the disaccharide lactose due to lack or decrease lactase activity. Lactase is the enzyme that breaks down the lactose to two monosaccharides that can be absorbed. If lactose is not digested in the small bowel it gets to the colon and causes the symptoms. More inf @ http://www.Mayoclinic.Com/health/lactose-intolerance/ds0. Read more...