Features

May 2015 Issue

Diet and Kidney Stones

Kidney stones form when waste products filtered from the blood crystallize instead of staying dissolved in the urine. Obesity, too much salt and sugar, and possibly high animal protein intake may increase the risk for these painful crystals. Eating lots of fruits and vegetables, drinking plenty of fluids, and getting calcium (from foods, not from supplements) and potassium in your diet are all associated with a lower risk of kidney stones. If you’ve already had a kidney stone, drink at least 8 cups of water or other unsweetened beverage a day, and limit high-oxalate foods like spinach, rhubarb and almonds.

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