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When lactose intolerance is due to secondary lactase deficiency, treatment of the underlying disease may allow lactase activity to return to normal levels. [6] In people with celiac disease, lactose intolerance normally reverts or improves several months after starting a gluten-free diet, but temporary dietary restriction of lactose may be needed.
Lactase persistence or lactose tolerance is the continued activity of the lactase enzyme in adulthood, allowing the digestion of lactose in milk. In most mammals , the activity of the enzyme is dramatically reduced after weaning . [ 1 ]
Additionally, there is some scientific hypotheses behind Blacks more often being lactose intolerant than Whites today. In West Africa, the presence of the tsetse fly made raising cattle practically impossible, creating a historical situation in which there was no need for humans to develop higher levels of the lactate enzyme (which allows the ...
Milk allergy is distinct from lactose intolerance, which is a nonallergic food sensitivity caused by the lack of the enzyme lactase in the small intestines to break lactose down into glucose and galactose. The unabsorbed lactose reaches the large intestine, where resident bacteria use it for fuel, releasing hydrogen, carbon dioxide and methane ...
HONG KONG — When the 3,600-year-old coffin of a young woman was ... who were known to be genetically lactose intolerant, consumed dairy before the era of pasteurization and refrigeration, as ...
Lactose intolerance ... One possible explanation for the rise in food allergy is the "old ... Those who are still allergic by the age of 12 or so have less than an 8% ...
In fact, the Center for Retirement Research has warned that mean spending for a 65-year-old is $21,400, but this jumps to $36,600 at 90. Those with health issues also spend a lot more than the mean.
The condition appears to become less common with age. [7] IBS does not affect life expectancy or lead to other serious diseases. [ 10 ] The first description of the condition was in 1820, while the current term irritable bowel syndrome came into use in 1944.
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