Weighing the benefits of medications against their potential risks is a common conundrum for many doctors. But, for one common diabetes medication, that decision may have gotten a little easier.

Diabetes patients may need to take extra precautions to lower their risk for cancer or catch it early.

About 80 percent of people diagnosed with pancreatic cancer also have diabetes. While it's known that the two diseases are linked, the exact nature of this association remains unclear.

There have been huge strides in the fight against diabetes over the past decade. Patients now have more treatment and drug options than they ever did before. Yet, some of these drugs may not be entirely safe.

They are two of the newer drugs used to treat Type 2 diabetes. They are effective in lowering blood sugar. New findings, though, cast doubt on the safety of these medications.