Harvard Heart Letter

Potassium and sodium out of balance

Too little potassium and too much sodium is bad for the heart and general health.

Potassium and sodium. In the pantheon of classic partners, they aren't quite up there with Abbott and Costello, Ginger Rogers and Fred Astaire, and John, George, Paul, and Ringo. They should be. Potassium and sodium together play a huge role in regulating blood pressure, and mounting evidence shows they are intimately involved in bone health.

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »