The biggest mistake people make is to try to lose too much weight too fast.

There were certain elements of the healing process I could not capture. And even if I was right in the science, I could be wrong in the spirit.

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.

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.

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.

I saw many people who had advanced heart disease and I was so frustrated because I knew if they just knew how to do the right thing, simple lifestyle and diet steps, that the entire trajectory of their life and health would have been different.

I've got so many weaknesses.