When Michael J. Fox was diagnosed with Parkinson’s disease at age 29 in 1991, “it was an old person’s disease,” he says. “It was not a disease that got much attention.” But now that it was his disease to deal with for the rest of his life, Fox got busy learning everything he could about the state of scientific progress and the realities of living with Parkinson’s. He quickly saw what was missing—and what he could help provide.  “I was motivated by what I heard from the science people who said