In the "Behind Closed Doors" episode for Back to the Future, they mentioned that a lot of the signs were there when they filmed III.
Specifically, a scene where he was running, but his legs just gave out on him. Other physical difficulties were indicators that in retrospect made sense, but at the time the connection hadn't been made yet.
Yeah I think they also allude to this at the end of the BTTF ep of The Movies That Made Us on Netflix.
shareAs aavfreak mentions he didn't begin to develop symptoms until years later.
I believe I read that Fox began noticing symptoms during filming of Doc Hollywood, one of his pinky fingers wouldn't stop moving by itself.
Did who have what, and when?
sharePeople are so afraid these days, they don't even dare mention diseases even when asking specific questions about them.
The OP is talking about The Parkinson's Disease, if I understood it correctly. Why you wouldn't have the guts to type it, is beyond me, though. Why can't we discuss all things openly? Freedom of speech and all that.
It's like freedom of speech has become the SCARIEST thing for some people. Come on, spit it out! IF you want to talk about something, AT LEAST have the gall to WRITE ITS NAME, dagnabit!