I'm not somebody who comes in with a whole outline, and says, "Here's the movie we're going to make." That's not what a documentary is for me. I think a documentary is about capturing events as they unfold in real time.

More than a billion adults worldwide are now overweight - and at least 300 million of them are clinically obese. Childhood obesity is already epidemic in some areas and on the rise in others. Worldwide, an estimated 17.6 million children under five are said to be overweight.

I feel like throughout history we've heard bullshit from politicians, but now we're at the perfect intersection of technology and entertainment where we can, in real time, produce something that holds people accountable. That's an exciting time to be living in.

To strip yourself from a lot of the things around you that make you comfortable is a really challenging thing that most of us don't do or don't get a chance to do.

One Direction's 3D movie has more shirtless moments than you can imagine

People were always pointing the finger at the fast food industry. And I was a big fan of personal responsibility - you know, no one is forcing you to eat. We're not geese being stuffed with corn.

Sorry, there´s no magic bullet. You gotta eat healthy and live healthy to be healthy and look healthy. End of story.