I seen that attachment around FB just a few days ago... I also shared it.
Anyway... Just adding my reply to the discussion, not necessarily replying to your post, other than to remark about the attachment.
There's another rumor (I suppose) that he was also on antidepressants, which are known to make people want to commit suicide.
So, about him having parkinsons.... Who (outside of his immediate family) knows how bad it was? Was it to the point that he couldn't function? Probably not, but probably getting there.
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