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.

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?

The Internet has transformed many parts of our daily lives, touching everything from how we find information to how we go shopping, get directions, and even stay in touch with friends and family.

When I talk about forgiveness, I mean letting go, not excusing the other person or reconciling with them or condoning the behavior. Just letting go of your own suffering.

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

People tend to think of breakthroughs in medicine as a new drug, a laser, or a high-tech surgical procedure. They often have a hard time believing that the simple choices that we make in our lifestyle. What we eat, how we respond to stress, whether or not we smoke cigarettes, how much exercise we get, and the quality of our relationships and support can be as powerful as drugs and surgery. And they often are.

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.