Back to the Future alum Michael J. Fox discussed how he and his career were affected by Parkinson's disease while accepting the Jean Hersholt Humanitarian Award at the 13th Governors Awards on Saturday.'I was on top of the world. I had a hit television show, two movies in the can and it was all good in the neighborhood,' the Canadian-American 61-year-old recalled during his 13-minute acceptance speech.'Somewhere in there around 29 I was diagnosed with Parkinson's.