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Prediabetes describes the condition of someone who is on their way to developing diabetes. Before having diabetes, people usually have “pre-diabetes.” This is a new name for a condition in which blood glucose (sugar) levels are higher than normal but not yet high enough to be diagnosed as diabetes. A person with prediabetes cannot handle sugar as well as they should. Even though diabetes is not full blown, high sugar levels in...

Sure smoking isn't good for your lungs or your heart. But did you know that smoking isn't good for your kidneys either? The Surgeon General issued a report not long ago that said that smoking causes diseases in every organ of the body—including the kidney. People who smoke are more likely to have protein in the urine. This is a sign your kidneys are under stress. The more someone smokes, the more likely they are to show kidney damage....

Kidney stones send half a million Americans to the emergency room every year, but there are ways to decrease your risk. To help you learn about symptoms, prevention tips and treatment, this month, the National Kidney Foundation answers the top 10 questions about kidney stones.

Check out our A to Z Guide for answers on many other kidney-related issues.

1. What is a kidney stone?

A kidney stone is a...