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In the U.S., about 36% of people are lactose-intolerant, according to the National Institute of Health, with people of color being much more likely to have lactose malabsorption. Worldwide, about ...
Lactose intolerance is due to the lack of the enzyme lactase in the small intestines to break lactose down into glucose and galactose. [3] There are four types: primary, secondary, developmental, and congenital. [1] Primary lactose intolerance occurs as the amount of lactase declines as people grow up. [1]
Lactose intolerance occurs when an individual is deficient in the enzyme lactase, which breaks down the lactose in the intestine. Bloating, cramps, constipation, or diarrhea may result when an individual who is lactose intolerant consumes a dairy product. Due to genetic differences, [22] [23] intolerance of lactose is more common globally than ...
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 ]
Dairy products may upset the digestive system in individuals with lactose intolerance or a milk allergy. [ 7 ] [ 8 ] [ 9 ] People who experience lactose intolerance usually avoid milk and other lactose-containing dairy products, which may cause mild side effects , such as abdominal pain, bloating, diarrhea, gas, and nausea.
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 ...
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The Paiute-Shoshone Tribe of the Fallon Reservation and Colony is a federally recognized tribe of Northern Paiute and Western Shoshone Indians in Churchill County, Nevada. [3] Their autonym is Toi Ticutta meaning "Cattail Eaters." [4]