Failing Kidneys and the Risk of High Potassium

By: Matthew R. Weir, M.D.

Potassium is important for normal functioning of the heart. When the kidneys don’t function properly, blood potassium can rise to dangerously high levels.

When we think about how to keep our bodies healthy, we often think about nutrients in one way: “Do I have enough?” But is there ever a situation when you can have too much of a…