In addition to cutting back on salt, people who experience swelling in the feet might try adding more potassium to their diet, though any major dietary changes should be discussed with a doctor, first. Potassium is a diuretic, which means it can help curb water retention. On top of these potential, specific benefits, potassium — found in bananas, oranges, and sweet potatoes — can benefit heart and blood pressure health and keep bones and muscles healthy.

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