New findings complicate association between diabetes and prostate cancer

A new study from University of Michigan researchers has shown that the prostate specific antigen (PSA) levels of men with type 2 diabetes increase more slowly over time than men without the condition.

The findings, which were published in the journal Urology, add to the complex relationship between diabetes and prostate cancer. An elevated level usually indicates a higher risk of prostate cancer. Therefore, the findings suggest that diabetes may protect men from the condition. However, previous studies have indicated otherwise.

For the current study, researchers followed a group of 569 men for several years, tracking their PSA levels throughout. They found that the PSA levels of men without diabetes increased annually by 3.7 percent, while the levels of those with diabetes increased by 1.1 percent.



The findings seem to run contrary to a recent study from Duke University scientists, which showed that men who have diabetes tend to have worse outcomes following prostate cancer diagnosis. However, the research showed that the increased risk may have more to do with obesity, which is a contributing factor to most cases of type 2 diabetes, than any metabolic conditions.

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