Because the biological mechanisms that affect our health and well-being are so dynamic, when people change their diet and lifestyle, they usually feel so much better, so quickly; it reframes the reason for changing from fear of dying to joy of living. Also, the support that patients give each other is a powerful motivator.

With everything that you can imagine at our fingertips, many of the social interactions that help tie people together in a community have faded away. Are communities traditionally built on relationships, trust and familiarity a thing of the past?

I'm a big admirer of Walter Willett's work. I think he's done some really important research. He and I agree on most things.

Awareness-mindfulness-is the first step in healing. In Counterclockwise, Dr. Ellen Langer eloquently describes how becoming more aware of our beliefs and expectations allows us to powerfully transform our lives for the better. A pioneering, beautifully-written book.

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.

Poor health is not caused by something you don't have; it's caused by disturbing something that you already have. Health is not something you need to get, it's something you have already if you don't disturb it.

Our survival depends on the healing power of love, intimacy and relationships. As individuals. As communities. As a country. As a culture. Perhaps even as a species.