My dad does, too. Although he does not black out, his legs just do not cooperate.
Madison, I’m sorry for your dad. StevieRay, I’m sorry for your grandmother.
My mother did not have Parkinson’s, but she suffered mini-strokes often in her last 10 years. Some of those years she was still living on her own, taking good care of her house and yard. Unstoppable as she was, she would not consider someone in her condition suitable to be POTUS.