In the "oddball news" category, research has shown that riding a roller coaster helps pass kidney stones. Since we all own electric powered roller coasters, anyone have any personal info they'd like to share? Maybe we can add this to the list of benefits of ownership. Lol Roller coasters might help you pass a kidney stone Interestingly, it seemed to work only on mild roller coasters and they noted that rides with too much G force actually made the problem worse. Sorry P100DL owners....You've been warned, kidney stones are in your future!