FRIDAY, Nov. 7, 2014 (HealthDay News) — People who are lactose-intolerant may be less likely to develop certain types of cancer, a new study suggests.
And, the researchers suspect the reduced risk may be related to diet.
Data for the study included nearly 23,000 people in Sweden with lactose intolerance, as well as members of their families. People with lactose intolerance have difficulty digesting lactose, a sugar found in dairy products, because they have low or no levels of the enzyme lactase which is needed to digest lactose, according to the U.S. National Institute of Diabetes and Digestive and Kidney Diseases.
The researchers found those who had trouble digesting dairy had lower rates of lung, breast and ovarian cancers than those without lactose intolerance.
However, siblings and parents of people with lactose intolerance had the same risk for these cancers as people in the general population, which suggests…
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