Much of eating is about customs and habits, and we've developed some unfortunate ones. Not enough families eat together. We eat in front of the TV while we're absorbed in a program. You know, the average person will eat up to 50 percent more food when distracted.

One way to fuel the brain to make more decisions is to feed it carbs. So as the day goes on, you start to crave more carbs - especially women, because women tend to make more of the day-to-day decisions in our lives than men.

I like shows that have some level of intelligence to them. When it's not as predictable, when you don't know what's coming at you.

Surgery has trained me better than anything else to connect with people.

You have to be going somewhere to have the energy you need to get there.

Our ancestors had to eat whenever food was around. And we're actually still hardwired the same way. The big difference is we don't have to hunt for our food. For us, "hunting" comes down to sliding the milk carton out of the way.

People say their weight is genetic. But it turns out that people who are overweight don't just have overweight kids. They also have overweight pets. That's not genetic.