Cortisone shots a good thing or a bad thing?

According to this article in the New York Times, Cortisone shots may actually lead to prolonged injury rather than faster recovery. As many runners know, Cortisone shots are used as an anti-inflammatory for various aches and pains, but especially tendon and joint inflammation. This new research may not stop Cortisone treatments all together, but it may cause runners to think twice before taking the shot:

http://well.blogs.nytimes.com/2010/10/27/do-cortisone-shots-actually-make-things-worse/?src=me&ref=homepage