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Usual onset: 30–120 minutes after consuming dairy products [1] ... about 65% of people experience some form of lactose intolerance as they age past infancy, but ...
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 ]
Some types of food allergies among children resolve with age, including those to milk, eggs, and soy; while others such as to nuts and shellfish typically do not. [2] In the developed world, about 4% to 8% of people have at least one food allergy. [1] [2] They are more common in children than adults and appear to be increasing in frequency. [2]
The majority of humans actually follow this protocol as well, and down-regulate lactase production around 3-5 years of age. Interestingly, though, the majority of caucasians, mainly those from northern european background, continue to have elevated lactase activity all the way into adulthood, and so they exhibit “lactase persistence”.
She cautions that further research, specifically human studies, are needed to substantiate the claims that raw milk helps with allergies and is easier to digest for people who are lactose intolerant.
Lactose is a disaccharide sugar composed of galactose and glucose that is found in milk. Lactose can not be absorbed by the intestine and needs to be split in the small intestine into galactose and glucose by the enzyme called lactase; unabsorbed lactose can cause abdominal pain, bloating, diarrhea, gas, and nausea. [citation needed]
Random allergy test for something else flagged up some weird lactose intolerance thing that knocks the smelling device in my headholes on its a**e when I eat dairy. Gave up dairy for a few weeks.
Medical providers break down when to see a doctor for a cough.