Think about it: Heart disease and diabetes, which account for more deaths in the U.S. and worldwide than everything else combined, are completely preventable by making comprehensive lifestyle changes. Without drugs or surgery.

Curious patients are more receptive to new ideas, and those who engage their health practitioners in a dialogue are much more likely to adhere to these recommendations.

The healing power of love and relationships has been documented in an increasing number of well-designed scientific studies involving hundreds of thousands of people throughout the world.

I am as non-accepting of medical quackery and unscientific approaches as anybody else. I've grown up as a card-carrying scientist, and I know the power of science to answer questions, and for many questions I don't know of anything better than scientific approaches to answer them.

I don't understand why asking people to eat a well-balanced vegetarian diet is considered drastic, while it is medically conservative to cut people open and put them on cholesterol lowering drugs for the rest of their lives.

I usually find that the process of discovery is more interesting than the answers.

I grew up in Texas, eating meat five times a day, and I liked meat. But I began being a vegetarian when I was 19 because I found that I felt better.