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Lactose intolerance is the ancestral state of all humans before the recent evolution of lactase persistence in some cultures, which extends lactose tolerance into adulthood. [9] Lactase persistence evolved in several populations independently, probably as an adaptation to the domestication of dairy animals around 10,000 years ago.
Dietitians weigh in on how those with gluten and lactose-intolerances can tolerate foods on vacation. ... and crusty French baguettes without my usual stomach pain. ... (plus a few lactose ...
These gases are the cause of abdominal pain and other symptoms. [38] [41] Lactose intolerance does not cause damage to the gastrointestinal tract. [42] There are four types: primary, secondary, developmental and congenital. [43] Primary lactose intolerance is caused by decreasing levels of lactase brought on by age. [43]
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.
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.
In rare cases, bloating may occur in individuals who have milk intolerance (lactose intolerance), parasite infections such as giardia, food poisoning , celiac disease, severe peptic ulcer disease, bowel obstruction, or after certain types of abdominal surgery. [5] Heart failure and cirrhosis are also a common cause of distension. In both of ...
Fever with abdominal pain may be a sign of an infection. Vomiting, while common in a self-limited gastroenteritis is a cause for concern if it persists more than 12 hours, and you can't keep any ...
The three most common forms of sugar are glucose, fructose, and galactose, and these are all types of monosaccharides, meaning they’re made of just one sugar molecule, molecules like this are called carbohydrates, because they’re made up of carbon, hydrogen, and oxygen, usually with a hydrogen-oxygen ratio of 2:1. if you link two of these ...
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