My husband had his knee replaced five weeks ago and his personality has changed. He was diagnosed with Parkinson's over five years ago (symptoms have been going on closer to 20 years), and he also has COPD, along with other slight health complications. He had his other knee replaced, along with a revision a few years later, and has never had some of the issues he's having with this one. The main thing is he's dependent on the walker now because he's afraid of the new knee buckling--he gets… read more