I don't keep up with it all. But Taylor Swift writes songs about everybody she goes out with, right? What a way to build a career.

By 21, I was earning six figures a week. By 23, I had a Ferrari. It was nuts.

I see possibilities in everything. For everything that's taken away, something of greater value has been given.

With Parkinson's, it's like you're in the middle of the street and you're stuck there in cement shoes and you know a bus is coming at you, but you don't know when. You think you can hear it rumbling, but you have a lot of time to think. And so you just don't live that moment of the bus hitting you until it happens. There's all kinds of room in that space.

Lance Armstrong showed up, and I started talking to him; I saw all these people with cancer who followed him to Paris for the Tour de France, and I saw the difference he was making in their lives. That put it together for me...having it be not so much about me, but [my being] a vehicle for it.

I don't keep up with it all. But Taylor Swift writes songs about everybody she goes out with, right? What a way to build a career.

It is ironic that in the same year we celebrate the 50th anniversary of the discovery of DNA, some would have us ban certain forms of DNA medical research. Restricting medical research has very real human consequences, measured in loss of life and tremendous suffering for patients and their families.