Many foods contain magnesium and potassium, two minerals that are important to heart health, bone health, muscle function, ...

Dear Dr. Roach: I am a 70-year-old male who is 6 feet, 3 inches tall and weighs 190 pounds. Other than having high blood pressure, I am healthy, eat a Mediterranean-style diet, and exercise most days.

DEAR DR. ROACH: I am a 70-year-old male who is 6 feet, 3 inches tall and weighs 190 pounds. Other than having high blood pressure, I am healthy, eat a Mediterranean-style diet, and exercise most days.

Q: Last week, my oncologist's office called to inform me that, after a routine blood test, my potassium level was too high. The nurse said it wasn't a very high level, and I should attempt to control ...