cockeyed.com recently ran a great experiment where he took a cut up credit card application and taped it back together and GOT A CREDIT CARD!
It is going to shown on ABC's 20/20 on Friday night, June 16th.
UPDATE: ABC posted the video on their site (Flash Player). It is part of a six minute segment that also contains a gross out bit about restaurants. Rob's identity theft piece starts at about the two minute mark - you will also have to sit through a 30 second commercial at the beginning.
I have found it helpful to do the stretching exercises my physical therapist recommends. Do some core strengthening exercises, such as the ones highlighted at The Mayo Clinic. By keeping your core strong, your back won't put itself in a position to cause that sciatica pain you are having.