Each year, more than 500,000 people go to the emergency room for issues involving kidney stones—small, hard objects that form when certain chemicals build up in your urine. If they're small enough when they dislodge from the kidney, the stones can travel out of the body with the urine without causing a lot of pain. But if they don't dislodge, they can get bigger and bigger until they risk blocking the urinary tract and requiring surgery.
Can Roller Coasters Help You Pass Kidney Stones?
Hear about the hilarious study that says yes.
How Do Kidney Stones Form?
The entire process, from harmless chemicals to painful mass.
Written by Curiosity Staff October 10, 2016
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