Researchers now report that having prediabetes may increase people's risk for several types of cancer.
Prediabetes is a condition in which an individual has blood sugar levels that are higher than normal, but not high enough to be considered full-blown diabetes. In a new study, investigators examined 16 studies comprised of over 900,000 subjects around the world, and found that people with prediabetes have a 15 percent overall risk increase for cancer.
The analysis found substantial associations between prediabetes and cancers of the stomach, colon, pancreas, breast, and uterus. The study, published for download in the journal Diabetologia last week, may have important health implications.
The researchers also noted that the diabetes drug metformin is an important defense against the development of cancer in diebetic patients, but there is no evidence to suggest it would have the same effect in prediebetic patients.
This leaves a void in care for individuals with prediabetes who may be at a higher risk for cancer, according to the study's findings.
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