I don't operate on smokers. I tell cigarette smokers that I can operate on you, I get paid the same. And you might even do well. But it's the wrong thing to do. So I refuse to operate on you until you stop smoking.

There are a lot of food Nazis in the U.S., but I believe if you can show people what's really important, they'll judge the rest for themselves.

Every hour you sit at work increases your mortality 11 percent. Think about that.

Here's the number one reason Americans are heavy: The brain, very smartly, wants nutrition. But the average American is not eating nutrients; he or she is eating empty calories. So you finish that 2,000 calories and your brain says, Keep going until you get nutrients.

What happens when you have great grief in your life is the arteries of that heart begins to spasms down, just literally squeezes down like this because you're feeling the tension of your life and then the heart muscle itself will also begin - to get stressed out.

Before you reach for the saltshaker, consider swapping your snacks for a healthier option.

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.