The CDC says most of those people, 69 percent, should consume no more than 1,500 milligrams daily. The recommended amount in the government's dietary guidelines is less than 2,300 milligrams or about 1 teaspoon a day.
It's believed most of the sodium consumed by Americans comes from packaged, processed and restaurant foods.
The CDC says it's important for everyone to consume a diet low in sodium and rich in potassium and calcium to improve overall blood pressure.
