I love it when I run across tidbits like this. Better than some juice stuff in one of those supermarket tabloids. And this has some scientific backing.
Wartinger found that sitting in the front of the ride resulted in passing a kidney stone roughly 17 percent of the time, while sitting in the last car yielded a whopping 64 percent success rate. This disparity held no matter the stone size or where in the kidney it was placed.
Read all of it @ Riding Roller Coasters Can Help Dislodge Kidney Stones - D-brief
