For those with type 2 diabetes, keeping blood sugar levels under control can seem like walking a tightrope. But that delicate balancing act may benefit more than just blood sugar.

A first-of-its-kind study examined the potential relationship between taking statins, prescription medicines that treat high cholesterol, and diabetes complications like vision loss and kidney damage.

Last year, new guidelines on treating high cholesterol placed a focus on overall risk instead of specific cholesterol levels. Those recommendations set off a debate in the medical community. The controversy rages on.

Deciding how to treat a condition like high cholesterol can be tough, especially when some treatment options have been tied to an increased risk of other health problems.