Have you ever heard your doctor say your kidney test results are "normal"? That's usually means everything is under control. But what if "normal" isn't always as reassuring as it sounds? A recent ...

A kidney test result that appears perfectly normal may still reveal hidden danger, according to a major new study involving more than a million adults.

Add Yahoo as a preferred source to see more of our stories on Google. ljubaphoto via Getty Images Your kidneys are pretty vital: They filter your blood and get rid of the waste in the body through ...