I still don't get it...or I guess I don't want to see it. My mother's heart is in great condition; her kidneys are fine; the orthopedist sees some sciatica and old back issues that go back to her early 20's, so why is she having trouble walking? Her knees seem to give out. Her weight has been the same for the past months......I"m so sad........Please, G-d, let her be OK. I am so sad.