I don't want to generalize, but the target audience for a lot of the YouTube people is fairly young - under the age of 16. You still want to know what those people are watching, because I think it's interesting, but sometimes it just makes you feel old.

My parents don't really understand my career. They don't really bring it up that much.

I used to like to come up with inventions because I hated working so much when I had my day job. I thought, 'All I need is a great idea, and I'm out of here.'

The worst job I ever had was an office job that I had for six years, and that's nothing against the people who I was surrounded by, because they were wonderful people.

Exercise, from a public health perspective, is an unmitigated failure. The world's longest-lived people live in environments that nudge them into more movement. They don't use power tools, they do their own yard work, they grow a garden.

I find if my body feels well and I exercise regularly, I think better, work better and feel better.

We need to be discussing issues specifically to help the American people. And that would not include illegal aliens. These are people - I'm for immigration - legal immigration. I've been an immigration attorney. But people who have come to our country and violated laws, we should not be providing full health care services.

We're really going after truly creating sustainability of a disease-free state, creating a complete system for managing cancer patients for life, so that you can manage from onset of disease all the way through.