Statin drugs may not lower the risk of colon cancer

A new study shows that long-term use of cholesterol-lowering statin drugs seems unable to reduce the risk of suffering from colon cancer, but it can affect the body's cholesterol levels.

Previous studies have shown that statin drugs and lower cholesterol levels can reduce the risk of colon cancer. "But in fact, we still don't know whether it is statin drugs or lower cholesterol levels that can reduce the risk of colon cancer," researchers from the University of Pennsylvania explained. Therefore, the researchers designed experiments to compare the effect of statins and lower cholesterol levels on the risk of colon cancer. In the study, participants included more than 22,000 patients with colon cancer and more than 86,500 non-colon cancer patients.

The results were similar results to previous studies: taking statins can reduce the risk of colon cancer. But the researchers also found that for those who didn't continuously take statin drugs had no significant change in the risk of colon cancer when compared with people which had been taking statins. The researchers also found that the population with higher cholesterol levels had lower risk of colon cancer, which had nothing to do with the use of statin drugs.

The researchers also found that no matter for statin users or users of non-statin drugs, both of their body cholesterol levels would fall within a year before they were diagnosed with cancer, which has always been a phenomenon that we can't be very understandable.

However, the study doesn't prove a causal relationship between lower cholesterol levels and the increase of risk of colon cancer. The study just found a link between the two aspects.

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