IBS is a common digestive ailment characterized by abdominal pain and bloating, gas and loose bowel movements alternating with constipation. Fiber supplements are typically used to treat IBS, and several studies have found supplements with psyllium seed and husk to be effective.
Many IBS sufferers believe that specific foods aggravate their symptoms, but the evidence linking diet and IBS is inconsistent. Some people with IBS have lactose intolerance, which can mimic the symptoms of IBS. Difficulties digesting other sugars such as fructose and sorbitol have also been noted.
In the current study, 108 people with IBS and 43 healthy people with no digestive problems answered three questionnaires about their symptoms, including frequency and severity of abdominal pain, frequency and quality of stools and effects of IBS on mood and quality of life. Blood tests were done to look for antibodies to 16 common foods: wheat, milk, egg white, egg yolk, cheese, yeast, potato, tomato, soybean, peanut, beef, chicken, pork, codfish, lamb and rice.
Compared with the other group, people with IBS had significantly higher levels of antibodies to wheat, soybean, beef, pork and lamb. They also had higher levels of antibodies to eggs, but this difference did not reach statistical significance. In general, people with IBS had elevated antibody levels to more foods than people without IBS (8 versus 5). The severity of symptoms was not related to the degree of elevation of food antibodies.
The results of this study show that people with IBS are more likely than healthy people to have elevated levels of antibodies to foods, suggesting that food sensitivity is a cause of IBS. Previous studies have found that eliminating wheat, beef and dairy can alleviate symptoms in some people. Whether a person with IBS is likely to benefit from avoidance of specific foods based on the results of an antibody test requires more research.
Many IBS sufferers believe that specific foods aggravate their symptoms, but the evidence linking diet and IBS is inconsistent. Some people with IBS have lactose intolerance, which can mimic the symptoms of IBS. Difficulties digesting other sugars such as fructose and sorbitol have also been noted.
In the current study, 108 people with IBS and 43 healthy people with no digestive problems answered three questionnaires about their symptoms, including frequency and severity of abdominal pain, frequency and quality of stools and effects of IBS on mood and quality of life. Blood tests were done to look for antibodies to 16 common foods: wheat, milk, egg white, egg yolk, cheese, yeast, potato, tomato, soybean, peanut, beef, chicken, pork, codfish, lamb and rice.
Compared with the other group, people with IBS had significantly higher levels of antibodies to wheat, soybean, beef, pork and lamb. They also had higher levels of antibodies to eggs, but this difference did not reach statistical significance. In general, people with IBS had elevated antibody levels to more foods than people without IBS (8 versus 5). The severity of symptoms was not related to the degree of elevation of food antibodies.
The results of this study show that people with IBS are more likely than healthy people to have elevated levels of antibodies to foods, suggesting that food sensitivity is a cause of IBS. Previous studies have found that eliminating wheat, beef and dairy can alleviate symptoms in some people. Whether a person with IBS is likely to benefit from avoidance of specific foods based on the results of an antibody test requires more research.
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