kidney stones | KERA News

kidney stones

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Researchers are launching clinical trials into prevention and treatment of kidney stones — hard deposits of minerals and salts that can block the flow of urine — as more Americans are contracting them and enduring their painful symptoms.

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The National Kidney Foundation says they send a half-million people to emergency rooms each year because of kidney stones - hard objects made from chemicals in the urine. They’re very small, but at a couple of centimeters or more, kidney stones can be quite painful. Dr. R. Carrington Mason, a urologist with Methodist Health System, explains what causes the pain.