They tried it: Disney World’s Big Thunder coaster rolls out kidney stones

EAST LANSING, Mich. — Does your insurance cover amusement park visits? Maybe it should. For years, David Wartinger’s patients told him stories of passing kidneys shortly after riding roller coasters . “Most urologists wouldn’t be surprised by this,” said Wartinger, a professor emeritus within Michigan State University’s Department of Osteopathic Surgical Specialties. Jarring motions and vibrations often jostle stones stuck on the outer area of kidney, enabling them to be passed. But one patient’s story prompted Wartinger to look at roller coasters more seriously. The patient told Wartinger he rode Big Thunder Mountain Railroad inside Disney World’s Magic Kingdom three times in…

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