So, from the debate, we have her involuntary hand tremors caught on camera
And there's also this pic, by way of explaining all those giant quilted bathrobes she's been wearing since forever:
You strap on a catheter because nerve dysfunction would make you wet yourself--like from advanced Parkinson's Disease.
She had to be drugged to the gills on levodopa to get through the event. And while it's mildly touching to see Bill trying top prop her up, it just underlines how broken she must be to need to be assisted and clutching at the stair handrail just to get down 4 steps.