Wrinkled old knees

Or rather, a new wrinkle in treating old knees.

Maren Mahowald, a Minneapolis MD, found that botox injections into the aching knees of patients with severe pain from osteoarthritis caused a significant drop in discomfort. These patients were not candidates for knee replacements. Interestingly, the worse the pain, the better the response.

Here's strong praise for the possibilities:

One of the most provocative things that have come down the pike for the treatment of osteoarthritis in a long time.
--Robert Wortmann, MD, University of Oklahoma College of Medicine