kidney stones

Scientific research, folks in white lab coats, gleaming laboratories, occasional Eureka moments interspersed with hours of work – still sounds interesting if not glamorous. But sometimes, science requires more dedication, more sacrifice. Two physicians made the effort studying the effect of Thunder Mountain, a Disney World roller coaster, on kidney stones – small crystals that form in your kidneys. 

The study

The authors built a 3-D model of a kidney and ureter, the anatomic tube that connects the kidney to the bladder. The model faithfully recreated the kidney's "collection system," the pathway a kidney stone takes as it follows urine out of the body. They wanted to know whether these crystals or stones would move because of outside forces, like those...

Kidney stones from Wikipedia

Have you, or a loved one, ever had a kidney stone?

You're not sure? Well then the answer is "no," because these little crystals feel like razor blades and the pain they cause is excruciating so you'd know if anyone you knew had had one.

Data says that one in 10 of us will eventually have kidney stones (or more than one case of it), and that about 500,000 Americans wind up in ERs each year.

The three most common causes of kidney stones (medical name: nephrolithiasis...