Kidney stones are hard deposits made from minerals such as calcium or waste products such as uric acid. They start small in your kidneys but can grow bigger as more minerals stick to them. Kidney ...

Despite the severe pain kidney stones can cause, doctors say there are few medicines designed specifically to prevent them - something Stanford researchers hope to change.

Learn how diet affects calcium oxalate kidney stone risk, including hydration, calcium intake, sodium limits, and ...

You get kidney stones when your pee has a high concentration of minerals and other substances--like calcium, oxalate, and uric acid--that come together to make crystals. The crystals then stick ...

Approximately 10% of US adults have had kidney stones. Within a five-year period, 50% of them reoccur. When urine becomes concentrated, crystals can form on the kidney lining developing into stones.

The most common type of stone contains calcium (KAL-see-um). Calcium is a normal part of a healthy diet. Calcium that is not used by the bones and muscles goes to the kidneys. In most people, the ...