I researched this too.....recently......after it was brought to my attention by a couple of members. I have all the symptoms: the jiggly leg, the hand and finger movement ( like playing the piano, just as it was described), the fast blinking, and the worst of all, the mouth and jaw movements which just started a week ago. I hope it isn't irreversible, as it often is.......even some improvement at all would be better than what I'm dealing with. I could even put up with everything, if I had to, except the mouth and jaw thing. Arg-g-g-h-h-h-h......no fun at all. And I thought the tics, (which my husband first noticed,) were anxiety.....