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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.
As few as 5% of northern Europeans are lactose intolerant, while as many as 90% of adults in parts of Asia are lactose intolerant. [76] In northern European countries, early adoption of dairy farming conferred a selective evolutionary advantage to individuals that could tolerate lactose.
Lactase persistence is very high among northern Europeans, especially Irish people. Worldwide, most people are lactase non-persistent, [1] and are affected by varying degrees of lactose intolerance as adults. However, lactase persistence and lactose intolerance can overlap.
Lactose intolerance is found in most adults, except for specific geographic populations, notably those of European descent. [20] Many who benefit from a low FODMAP diet need not restrict fructose or lactose. It is possible to identify these two conditions with hydrogen and methane breath testing, thus eliminating the necessity for dietary ...
According to the 2023 U.S. Census data, around 1.3% of Americans identify as American Indian or Native American. Jacobs said after centuries of the American government deconstructing Native food ...
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.
In addition, the Mayo Clinic explains that milk allergies and milk intolerance are a little different from each other. “A true milk allergy differs from milk protein intolerance and lactose ...
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 ...