"Can you have a walkathon where no one actually walks? Can you raise money for charity if you're using play money? This weekend, the online world of "Second Life" will host the second annual Second Life: Relay for Life to benefit the American Cancer Society."
If you are a member of digg.com, please digg the following story - It will help raise awareness for the American Cancer Society.
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.