Most adults need around 3,500–5,000 mg of potassium daily to help lower blood pressure. Foods like tomatoes, potatoes, and ...

A potassium blood test measures the potassium level in your blood to check your general health and diagnose conditions.

What is potassium? Aside from the broad strokes knowledge you may know, like it's naturally found in bananas and it's great post-workout when you've worked up a good sweat. Do you really know what ...

The body needs the mineral potassium to regulate muscle contraction. The heart, being a muscle, may respond to changes in potassium levels by developing an irregular heartbeat, or arrhythmia. Atrial ...