Riding a roller coaster may help pass kidney stones

Hundreds of thousands of people head to the emergency room every year for painful kidney stones, but new research suggests some could find relief at Disney World instead.After years of hearing patients mention that they passed a kidney stone while vacationing at amusement parks, Dr. David Wartinger, a professor emeritus at Michigan State University College of Osteopathic Medicine, decided it was time to conduct a scientific study to see if those anecdotes were really onto something.“We&rs