In older age, low sodium tends to be caused by taking certain medications, kidney problems, or infection. However, there can be multiple causes, and the treatment depends on the cause. Sodium is an ...

A low sodium diet limits high sodium foods and drinks, and it is often recommended for high blood pressure or heart disease. The ideal daily value is generally less than 2,300 milligrams (mg) per day.

Anyone who’s been told to try a low-sodium diet knows that cutting back on sodium can be a real challenge. It’s often not enough to put down the salt shaker; it’s also a matter of reading nutrition ...