passing a kidney stone

Got Kidney Stones? A Few Roller Coaster Rides Might Help

Most people ride roller coasters for the thrill of plunging and twirling from breathtaking heights, but it seems there might also be a health benefit to this favorite amusement park attraction: passing small kidney stones. [1]
Researchers found that riding the Big Thunder Mountain Railroad roller coaster at Disney World could help ease the passage of the jagged stones, which affects 1 in 10 Americans during his or her lifetime.