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Lower cancer risk for lactose intolerance
In the case of lactose intolerance (milk sugar intolerance), those affected react to the consumption of milk or milk products with various physical complaints. However, these people seem to have not only disadvantages but also advantages. According to a new study, they are less likely to develop breast, ovarian and lung cancer.
Lower risk for certain types of cancer According to a report by “Wissenschaft Aktuell”, people who suffer from lactose intolerance are at lower risk of developing certain types of cancer. However, this does not apply to close relatives of these people, which speaks against genetic causes. The connection is therefore more likely to be explained by nutritional influences, as Swedish researchers report in the journal "British Journal of Cancer". However, the results do not necessarily suggest that increased consumption of milk and milk products increases the risk of breast, ovarian and lung cancer. Rather, other factors that are not statistically recorded could also be of decisive importance.
Milk consumption could favor development of breast and ovarian cancer "We have to be careful when interpreting our results because they are not sufficient to establish a causal link," said Jianguang Ji from Lund University, the report said. Further investigations should identify the factors that are responsible for the results of the study. There are indications that high milk consumption could promote the development of breast and ovarian cancer, and that the number of illnesses is highest worldwide in countries with high consumption of milk and milk products (North America, Central and Northern Europe), where little the least of which is consumed (East Asia and Central Africa). However, previous studies have not provided clear evidence of a causal relationship.
Food ingredients may be responsible As part of the study, the researchers evaluated data from 22,788 people diagnosed with lactose intolerance. It was shown that their risk of developing breast, ovarian or lung cancer was significantly lower than that of the general population. The values for the likelihood of illness of siblings and parents of lactose intolerant people, however, were in the normal range. This could result in "the possible explanation that certain ingredients in milk and milk products - which those affected have avoided - have a cancer-promoting effect". Another explanatory approach would be "that foods consumed by lactose-intolerant people as a substitute for dairy products, such as soy milk, contain substances with an anti-cancer effect". In addition, "lower calorie intake could play a role".
Affected people avoid foods with lactose In the case of lactose intolerance, a special form of food intolerance, the milk sugar ingested with milk or other food cannot be digested in the intestine because the enzyme required for this, the lactase, is missing or is not produced in sufficient quantities. In order to avoid the typical complaints, such as digestive problems, abdominal pain, nausea and vomiting or diarrhea, those affected usually refrain from eating foods containing lactose or take them together with lactase preparations. (ad)
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