If you suffer the pain and stiffness of arthritis, you may not be enthusiastic about exercising. But arthritis specialists say that’s exactly what you need to do.  UCLA Medical  Center rheumatologist, Roy Altman says “The one thing that people don’t understand is that you have to do something, when you don’t do anything with osteoarthritis of the knee, arthritis actually gets worse.”  Read or listen to the story on NPR’s link – http://www.npr.org/blogs/health/2011/11/28/142663907/got-arthritis-exercise-can-help