Wednesday, November 28, 2007

Lactose Intolerance

Milk has always been associated with healthy life as it contains high calcium, vitamins and essential minerals. Unfortunately, most adults can't digest a significant amount of lactose; a kind of sugar found in milk. Hence, this condition is called lactose intolerance.

Lactose intolerance is different from cow's milk intolerance although both conditions shared similar symptoms such as diarrhea, gas and cramp. Cow's milk intolerance is an allergic reaction triggered by immune system.
Lactase is an enzyme produced in the cells lining the small intestine. It helps to break down (digest) lactose into glucose and galactose which is then absorbed into the bloodstream.

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There are three types of lactose intolerance:

  1. Primary lactose intolerance
    This is the most comment intolerance developed over time. As we grow, we consumed less milk then infant. Our body in turn produces less lactose. Some believed this starts as early as when we were two years old but most people do not noticed it until an old age.
  2. Secondary lactose intolerance
    This is induced by the environment such as injury to the small intestine, exposure to intestinal parasites and others which disturb the cells producing lactase.
  3. Congenital lactose deficiency
    This is a genetically inherited condition present at birth and can be diagnosed in early infancy.


Since it is an "acceptable" condition for most people, it takes minimal efforts to avoid or reduce its occurrences and symptoms.

  • avoid lactose containing products such as milk, yogurt, cheese etc
  • substitute with lactose-free milk or milk product
  • lactase supplement

Lactose intolerance is a very common condition affecting 70% of the population. However, it is not a life threatening condition. With proper diet, we can obtain the same nutrition and yet not compromising on our quality of life with discomforts result from lactose intolerance.



*Disclaimer: The opinions expressed above are entirely based on my personal point of view and some light readings. This shall not be treated as reference and recommendation. Nobody shall be liable for any discomforts or side effects caused by the act as discussed above.


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